There are plenty of stories out there about teams hiring people for the sole purpose of having someone to fire to meet a culling quota. If there is a company initiative to cut dead weight every year, it's going to develop cliques and clubs of people who want to keep their jobs above all else.

I've also heard that people on those teams can generally be happy in their roles as long as they feel secure they aren't on the chopping block.

Large portions of AWS are widely regarded as waking nightmares. Elsewhere largely seems to be fine.

They treat their top level (principal) people fine but the others like trash. Forcing people to return to the office unless they get special permission from their team (something no one I personally know has ever gotten, although if you have a twitter account with at least 50k followers the odds goes up considerably.

Everywhere. They even made their warehouse staff come in during a tornado.

https://www.bbc.com/news/business-59641784