Let’s see how many actually quit. Saying “I will quit” is not nearly the same as actually handing in your notice. How many people who threatened to move to Canada after the 2016 election did?
It would and should give ppl pause. I suspect Sam is just inside Microsoft for the bluff. He couldn't operate in the way he wants -- "trust me, I have humanity's best interests at heart" -- while so close to them, I don't think