I find that surprising. Look at https://mathstodon.xyz/about https://mathstodon.xyz/about and some of the world's leading mathematicians (among those who are on

I find that surprising. Look at https://mathstodon.xyz/about https://mathstodon.xyz/about and some of the world's leading mathematicians (among those who are online) are there. In computer science expertise is more diverse and distributed so the users are spread across many servers.