He has left his post of Minister. He still is a Member of Parliament (MP). So now that he has less responsibilities, he can find another job to get more money, subject to approval.
I'm not sure why being MP of the ruling party isn't considered being part of the government. It might be a UK thing?
KHTML was the basis of WebKit and then Blink/Chromium, so the community did make something. It was just overtaken by the corporate projects, for those same reasons you mention.
I honestly don't assume anything about his role at Blizzard. His nickname was with Afrasiabi's on a World of Warcraft item. Also, on the game development side, the Overwatch leadership team's misguided obsession with making Overwatch into a MMO has significantly hampered the evolution of the game.
Anyway, better to avoid parasocial stuff regardless. I liked his updates and videos, and that's it.
Recording my next fart would be a better use of energy than Bitcoin.