Facebook groups has, weirdly enough, had a bunch of quality discussions similar to Reddit. Can't speak for Instagram, but FB groups are worth peeking into to follow your favorite software projects.

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Fandom/topic or hobby/writing groups on Facebook are better quality discussion venues than Reddit if you can accept seeing some very obvious instances of spam posts and spam comments.

I haven't noticed a significant difference in discussion quality between The Platform Formerly Known As Twitter and Youtube/Reddit for most topics. Maybe I'm cynical, but the vast majority of public communication on the internet seems to be roughly the same quality in my mind.

> the vast majority of public communication on the internet seems to be roughly the same quality in my mind.

I mean, could it be that it's just that the platforms you're familiar with are similar quality? There are major quality differences. Consider, for example, HN vs Instagram. Do you really see no difference in the quality of discourse, or do you just not use Instagram?

> vast majority

By bulk/raw data volume, I'd say that the vast majority of internet communication is the same quality, yeah-- I'll stick by that assertion. That's not at odds with acknowledging there exist locations where intelligent communication happens. My position is just that the signal to noise ratio is pretty bad in the majority of places.

Not sure which way that cuts