Well, look at it the other way around:
Those niche places act like a filter, pretty much alike as the whole internet was about ~20 years ago. Yeah, there may be fewer people around, but those people tend to be quiet a bit more interesting.
Nah, “the rest of us” is ruining the internet by following the people in the top of the trash pit.
You know… nobody is stopping you from self hosting, building a website or digging a gopherhole?
Absolutely! I observe this behaviour on myself: I am nowadays even sometimes coding on my phone (though, the experience is still… “suboptimal”), but for everything else? Its mostly fine.
Just to mention it:
gopher://sdf.org
There is no better place for plain and real content
If you only use software that is created by people you like… well… i guess your only choice will be an abacus…