Indeed, they know few to none of these petitioners will quit. 3,000 petition signatures will do nothing. 3,000 resignations would, but Googlers aren't going to pass up on the high paychecks, three five-star meals a day, and massages in the office based on moral grounds.
(In the same vein, Google's NetPAC has been quietly donating the max to Republicans like Paul Ryan and Steve Scalise, while most of their engineers openly oppose them.)
(In the same vein, Google's NetPAC has been quietly donating the max to Republicans like Paul Ryan and Steve Scalise, while most of their engineers openly oppose them.)