Many comments here recurrently claim that this reorganization/demotion is a one-off which will apply only to Prince Joachim's children, leaving the door open for Prince Vincent's possible future children to be HH Princess/Prince to Denmark. But that claim is contradicted by all the evidence presented to us so far.
A) The original announcement of the decision stated:
"In April 2008, Her Majesty The Queen bestowed upon her sons, their spouses and their descendants the titles of count and countess of Monpezat. In May 2016, it was also announced that His Royal Highness Prince Christian, as the only one of The Queen’s grandchildren, is expected to receive an annuity from the state as an adult.
As a natural extension of this, Her Majesty has decided that, as of 1 January 2023, His Royal Highness Prince Joachim’s descendants can only use their titles as counts and countess of Monpezat [...]"
https://www.kongehuset.dk/en/news/changes-in-titles-and-forms-of-address-in-the-royal-family
Thus, the 2022 decision was expressly an extension of a 2008 decision which applied to all the descendants of Queen Margrethe II and a 2016 decision which applied to all the grandchildren of Queen Margrethe II other than Christian.
The logical inference is that, since it is an "extension" of two previous decisions which each applied to Frederik's descendants (minus Christian) as well as Joachim's descendants, the 2022 streamlining decision will likewise apply to both Frederik's and Joachim's descendants (minus Christian).
B) Crown Prince Frederik (who indeed may be King by the time any children of Vincent are born) and Crown Princess Mary reacted to the controversy with statements which cast serious doubt on the claim that Vincent's children may or will be made Princesses/Princes: the Crown Prince stating that he too is interested in keeping the Royal House lean, and the Crown Princess stating that even their children (despite being one degree senior to Joachim's children) may have their own titles reconsidered in the future:
Mary has given a statement:
https://www.bt.dk/royale/kronprinsesse-mary-til-bt-vi-kommer-ogsaa-til-at-se-paa-vores-boerns-titler
Video included.
A very quick translation of the quotes in the text:
"Change can be immeasurably difficult and it can be really painful. I think most have tried that/been through that.
But that doesn't mean that the decision isn't the right one.
We will also have to look at the title of our children, when it's time for that."
Q: Does that also mean that Your (formal) children can also lose the titles of prince and princesses?
"We cannot see today how the DRF will look like when it's Christian's time or when Christian's time is approaching."
During an engagement at a school in Copenhagen today, October 27, Crown Prince Frederik was asked to comment on the title decision, he replied:
"It is sad to see how affected he (Prince Joachim) has been by the decision. Of course it makes an impression on the other brother. His only (brother). And my only one (..) But then Her Majesty, my mother, has made a decision which is hers alone. And I understand that.
And of course I myself am interested in the Danish monarchy being renewed or at least staying lean over time"
**
BB: Kronprins Frederik bryder tavsheden efter Margrethes beslutning: Det er trist **
From their comments, there would seem to be more chance of Vincent losing his own princely title than passing it down to a future child of his.
C) In the many comments from Prince Joachim, Princess Marie, Countess Alexandra, then Prince Nikolai, and their spokeswoman Helle von Wildenrath Løvgreen, who have given plenty of detailed criticisms of the decision, none of them have given any indication that Vincent's potential children may be treated any differently from Joachim's children. If that were the expectation, they would surely have disclosed it in the same manner that they disclosed, for example, the lack of communication from their mother/mother-in-law/grandmother, as it would bolster their case that they have been "ostracized".
D) I have the impression that (correct me if I am wrong) this expectation for Vincent's children to be Princes/Princesses is exclusive to foreign royal watchers. None of the comments from Danes I have seen (including those who are very harshly disapproving of the decision and the Queen) have included this suggestion that Vincent's children may be treated differently from Joachim's.
There are very reasonable and legitimate arguments against the Queen's decision to demote her grandchildren at this time. But it is neither necessary nor just to accuse her of doing something which, from all the facts available, she has not done.
As for the complaints that the Queen did not explicitly mention Vincent or future generations in the announcement:
First, given that the family and the Danish public appear to understand that this is not planned to be an exception but the new rule, it seems that was already communicated effectively with the existing wording.
Second, to repeat what I wrote in an earlier post: With all due respect, the argument that the press release ought to have explicitly stated that the same changes would apply to the children of Vincent / the children of Isabella, Vincent and Josephine seems to fly in the face of other arguments which have been made on this board:
1) In discussions about British royal titles that took place before the death of Queen Elizabeth II, many argued that it would be meaningless, inappropriate and/or disrespectful to Elizabeth to publish various announcements about plans for titles during Charles' reign while she was still alive. It is likely that the grandchildren of Crown Prince Frederik will not be born until the future reign of Frederik X, so by the same logic, would it not also be inappropriate to make announcements about their titles during the reign of Queen Margrethe II?
2) In the past, many posters who asked questions about, say, how future husbands of various young princesses might be titled have been accused of assuming that those princesses will have husbands. Again, by the same logic, wouldn't an announcement about the future titles of Vincent et al's children be unfairly assuming that they will have children?
While I do not personally agree with these arguments, it is surprising that they have not been raised here after being repeatedly brought up in a number of previous discussions.