Earlier quoted context omitted.
It’s a highly privileged position to be in to make a personal stand and leave your $250,000 job for another $250,000 job. Not judging this way or that, just saying.
It's not that simple or easy. Many of these guys are giving up tends of thousands of dollars in benefits (stock options/ bonuses). Also, the assumption that everyone with a good paying job at Facebook is going to be able to quickly pick up a comparable job in a short amount of time is a huge stretch. Ultimately developers leaving and people refusing to work for Facebook, drive up Facebook's costs and speaks to their…
Especially since at some companies such a public statement can put you on a no-hire list. Some companies avoid potential "trouble makers" or avoid hiring, which might be interpreted as making a point.
Still risk of high total loss is quite low for individuals from FAANG companies.