These kind of problems are invisible from stratosphere.
Safety of employers should be a priority for employers, spending a time at work should be less risky for health than being at home. Even for potentially more dangerous tasks, the safety has to scale accordingly.
I can hear quite often that work conditions at warehouses are terrible. How it's on the the IT side? Do they have the same culture? Is the IT part somehow supporting all workers on Amazon? Because if people are not consolidated - the secondary treatment of other jobs will continue.