There is a Pacific Ocean between a “right” to a constructive response from a forum, and recognizing the much greater value of a forum that gives constructive responses.
And? They are not obliged to adhere to your definition of a constructive response or the form of community you or anybody wants as long as they stay within the boundaries of law. It's a pity, as I said, but if that's what the existing community wants to do, let them. Who are you to say otherwise?
But why should one not feel free on comment upon whatever they see, and comment however negatively they want to? Because we should be tolerant of all?
I find it interesting that the "anti-Woke" also end up appealing to same values of tolerance that the "Woke" appeal to. Perhaps it points to the lack of diversity in Western thinking.