This stuff isn't new.
Regulations don’t stand a chance of moving quickly enough to keep up with Amazon’s innovation budget. The only way to counter that is worker unions, which can make specific and timely demands that Amazon treat workers more humanely.
If workers unionize, Amazon has to stop externalizing the cost of labor.
The ones that stay long term are those people willing to overlook a shit job, aggressive output measuring, and draconian management. Those folks generally aren’t beating the union drum within the org as loud as the transient 30 day folks. Unions have trouble finding purchase because organizers are fighting that turnover and the folks motivated to unionize don’t have the patience to get there.
It's a warehouse job; I struggle to see why you even need any humans in the loop above the workers at all. Clock in, move the boxes, mark tasks completed on your handheld, clock out. Frankly I have no idea why the people org as described by OP exists the way it does for a company known for its cloud services. None of these morons OP dealt with needed to be employed.