Here's a post from someone in the r/antiwork subreddit detailing their difficulty in getting started in a gig at Amazon:
One hour was spent trying to make the surround sound work for endless power points. Another hour was spent by HR basically gloating about how proud she is about catching people faking reasons for time off. This woman literally was so proud about how she will literally call funeral homes to make sure the person you said died, is in fact actually dead. She was so arrogant about it. It really disgusted me.
Next the safety guy came in and said a few things, only to leave without an explanation. Then they have us log into these iPads. They’re wondering why we can’t. We never received login information to do so. That took another hour. I tried logging in with the info i had for the recruitment website but that didn’t work. They gave up.
The post is really sad: OP needed accommodation for their ADHD, but didn't have a supportive environment to get it, so walked from the job.
All of this is of a piece with other stories we've heard from Amazon: they don't care about attrition, especially at the warehouse level. Using people up is the business model.
But the obvious downside of this is that their institutional knowledge is constantly running out the door. After awhile no one knows how to do the basics of essential tasks like onboarding, so the jobs are miserable for new folks from the very first second.
Hard to imagine that doesn't catch up with them eventually.