Comment by embedding-shape

Meanwhile sometime around there I changed my GitHub username, and not reading up on the suggested process before doing so. The idea was to rename my account, then create a new account with the previous username, so no one else could squat it, as it's my firstname + lastname and the combination seems unique in the world, so it's basically just me. But a few seconds after renaming the account, it got squatted and even requesting to GitHub to reclaim it somehow, has fallen on deaf ears.

Lesson learned, create new accounts and never rename usernames, regardless of what rules the platform might share publicly.