Absolutely not. Remainers are entitled to say what they think and are entitled to oppose Brexit, after all it is a bad idea overall and has been handled worse.
What people say on this forum has zero bearing on what happens in parliament and remainers have been ignored by those in power since the vote, despite the vote being very close.
They’re perfectly entitled to their opinions on the matter and they shouldn’t have to curb what they think just because leave had the majority in the referendum, that’s not how democracies work.
That said, I personally am sick to fucking death of this and with a deal in sight, better than May’s, I want us to leave with it.