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.
I like to stick to smaller subreddits as they tend to be more authentic. Usually anything under 100K subscribers (with exceptions) can be really enjoyable to lurk + a great source of info.
The one that started it is called “wall street bets” and people openly call each other “retards” and “autists” over there.
Then he kept posting updates