I interviewed at FB recently (didn't pass the in-person) and the one question I asked each interviewer was "tell me about the parts of FB I don't see" - because they have an odd hiring process where you don't figure out what team you'd be working with until after you are hired...and I had no interest in pushing Ads, but understood that wouldn't be a great pitch from my side. Turns out there is a LOT about ads at FB.…
If you don’t want to participate in the central economic function of a company you would not have been a good hire regardless of technical skill. You don’t want employees who are willing to work at a company they think is a blight on humanity.
If that was true nobody would have any henchmen