I don't remember if the key Microsoft Github has was rsa or dsa, but something like this is probably why I'll eventually remove my repositories from that site shortly before losing access.
https://mastodon.social/@emaste/113980746669642103
See https://github.com/landley/toybox/commit/35663d6bfc49 for backstory. (Yes that is a shell script to close issues without web access.)
If ultimatums worked on me I'd be using faceboot from windows. You have FOMO, I feel I've dodged a bullet. First one's free, like credit card offers in the mail...