No, you don't understand, it's bad because it does not provide ""value""
there’s nothing wrong with building software for yourself. but if your stated goal is giving everyone ownership over their online identity, then usability stops being marketing and starts becoming part of the mission.
good ux isn’t selling out. it’s removing accidental complexity so more people can benefit from the ideas. otherwise you’re not building an alternative to big platforms, you’re building a club for people who enjoy configuring web servers.