I guess it will depend on your definition of "extinguish" and a few other things but:
gestures wildly at the MIT-licenced VSCode codebase
Yes, they are not rug pulling the VSCode source but by locking down the marketplace (and never giving a truly open source VSCode, what developers think of as "VSCode") they are in the processes of locking out forks.
Ah so this is like how Android being open source was (almost) always bullshit. You had to play all kinds of google dances to get the google apps on them.
Fair point! good example of an attempt to extinguish.
gestures wildly at the MIT-licenced VSCode codebase
Yes, they are not rug pulling the VSCode source but by locking down the marketplace (and never giving a truly open source VSCode, what developers think of as "VSCode") they are in the processes of locking out forks.