>>> On Mastodon, 1 million active users but only 2 thousand (0.2%) instances
On Tor, 2.5 millions users but only 6 thousand (0.24%) relay servers
The problem with this counterexample is that these are fringe platforms. Thriving in their own right, resilient, but a rounding error in chat and web traffic, respectively.
In other words, those who run their own servers are the fringe of a fringe.
The content creator comparison doesn’t make sense, with centralized hosting one content creator can supply an infinite amount of consumers. Not so with hosting.