Ah I get that, like the frustration of a sociological paper pointing out a societal issue but offering no steps on how to solve it due to fixes being out of scope (utterly infuriating lol).

I still think the criticism is valid, but I do think I agree in that the criticism could be more constructive... But I still think laying the foundation of the argument, so to speak, is still constructive even though it may not go as far as one may need for it to cross the threshold back into polite...

I am still convinced this is a knee jerk feeling issue more than anything truly being amiss, but I have been wrong before. What do you think?

I agree it probably is a definitions thing, I'm very pedantic sometimes and it feels like my definition of constructive is much more optimistic/wider/encompassing than yours. That doesn't mean that my definition is right or that your position is wrong though, that's just what I think is going on here.