I think I used one of these "turn your name into a fantasy name" generators in like 2007 and changed it a bit and that is my username pretty much everywhere now.
Good news, they are doing just that (in cooperation with Ecosia)
Edit: And it is supposed to be released this year (as early as Q1 apparently) https://betterweb.qwant.com/en/2024/11/08/ecosia-and-qwant-join-forces-to-develop-european-search-index/
They are probably referring to this: https://www.adl.org/resources/press-release/millions-examples-extremist-and-antisemitic-content-found-steam-new and this: https://www.pcgamer.com/software/platforms/steam-is-an-unsafe-place-for-teens-and-young-adults-us-senator-warns-gabe-newell-of-more-intense-scrutiny-from-the-government-if-valve-doesnt-take-action-against-extremist-content/
Changing habits, thought patterns etc. A therapist can't do that for you, that's something you have to do yourself thus "work on yourself"