This is true with all forms of social media. I remember when Twitter was starting out, and one of the main complaints was "Everyone was sharing pictures of what they ate for lunch", and my thought was "Don't follow those people". Reddit has a lot of crappy areas that won't be missed. There are a lot of dumb admins that only use the site to have a power trip. But beyond that, there was a lot of GOOD admins, and GOOD subreddits that were filled with interesting discussions and nice cultures.

This is why I am excited about the Fediverse. There will be servers run by meglomaniacs and trolls. There will be servers and communities filled with racist, misogynistic assholes. But you don't have to go to those. They can be blocked at the community and server levels.

I don't think it will be a problem as we get more and more people here. Having a bigger user base will allow for a better experience for everyone in that more exposure will make it easier for more tools to be developed. More people means more communities, and finding ones that cover more niche topics, which will make the platform more useful.