yeah really makes you wonder why these tech companies pretend to be the good guys and hire ethics teams, when they don't intend to follow through when conflicts of interests arise.
There is still a civil way to accept a resignation, with proper timelines and transfer of responsibilities. She offered to resign in some time due to some demands, and the immediate termination seems to be related to an email unrelated to those demands. This sounds a lot like a sleazy move by Google to couch an immediate firing as a resignation.