I dont know if this is still the case, but Windows used be very bad with downloads through Steam. They would often drop to zero throughput. Also Alt-tabbing in an out games without the system crashing also seemed to work better on linux. So for me gaming was actually better on linux.
I don't think I've turned into an evangel yet. However when I've passed on a computer I'd just put a fresh install of fedora on it.
Finished w4k Mechanicus a few months back. I tried to get into Baldurs Gate 3 mainly due to all the great reviews, but it didn't really fit with me. Other than that I mostly played Crusader Kings 3, Civ6 and Risk of Rain 2, all three being games you don't really finish.
I believe some parts of Gecko is upstream of Servo. Igalia have nice podcast with some of the developerd: https://www.igalia.com/chats/servo
Consent o matic it automatically fills out the gdpr boxes with your preferences. And it is developed by a danish university, so seems pretty safe. :)