Why is there so little interest in helping people self-host their own content? I know it wouldn't be a panacea, but it feels like at least a step in the right

Why is there so little interest in helping people self-host their own content? I know it wouldn't be a panacea, but it feels like at least a step in the right direction. This is a big part of the motivation for my side-project to help people run their own private blogs - https://simpleblogs.org/ https://simpleblogs.org/