This is a false dichotomy (I listed many options, not just self hosting, not many businesses fully self-host these days), and uptime is provably significantly b

This is a false dichotomy (I listed many options, not just self hosting, not many businesses fully self-host these days), and uptime is provably significantly better away from the big hosted services which are constantly churning features, config and hardware resulting in outages for everyone hosted on them.