We're going to end up going back to community sites. Reddit is obviously the good example here, but you can guarantee if you find a 'racing bike' forum (or whatever), take the time to join up, search, ask - someone with a passion for it will give you a great, well researched list because they love it and take pride from knowing . Exactly the same as when I ask my friend who's passionate about wine for his recommendat…
I want you to be right but the GME and AMC nonsense doesn’t instill a lot of confidence that Reddit isn’t being gamed already by automated accounts. I’ve had my own comment altered a little and regurgitated by a bot before, which was extremely creepy. But you are right that the signal to noise is at least better on Reddit.
I suppose if you have the same for cooking, cycling, cars, etc. It might actually end up going that direction for more people.
As a community becomes higher quality though, it also becomes more interesting for scammers to abuse. (The Bitcoin Reddits you mentioned are a great example). Good moderation is key I think.