There are lots of reasons to want alternatives to social media mega-corps, and the people with those reasons have varied likes and hobbies.
Even amongst the people who care about privacy, decentralization, etc, people still have varied interests. All you have to do is look at the popularity of Tiktok content about privacy, security, programming, etc.

Dude is a basement dweller, and just assumed that was the norm for everyone who shared an interest with him.

I have my own thoughts about hurdles that loops will face, but “fediverse is for snobs” isn’t it.