If you post something interesting people will read it! Sour grapes comments are kinda boring, and complaints about sour grape comments are also kinda boring.
If you don’t want certain kinds of conversations in a community, one of the best things to do is to “crowd that out” by just offering positive alternatives, with interesting posts.
I have a lot of social complaints about finance, but still love reading about it. Cuz it’s interesting in the abstract!