I don't really undeestand from this mail how is it not open source, but I am not well versed in licenses and technicalities either.

I am also genuinely interested in further explanation of this view.

Xonotic, if you like very fast paced shooters.

Any signs of Nvidia implementing this?

I have been having this problem 2 days ago, but I have started using NoScript in combination with UBlock Origin yesterday and i didn't see any ads after that.

No problem. You can use extensions like LibRedirect in order to make it automatically change SO to this one.

I really like using code.whatever.social as an alternative frontend to Stack Overflow. It has way less distractions and allows me to only look at the question and the answers and nothing else.

I also suggest Matrix instead of Discord.