Kind of to a point.
People get bathroom breaks, but those count against your rate, and people do sometimes get written up for taking them, although that's as much a matter of Amazon encouraging ruthlessness in management as anything. I know of one anecdotal story of a worker who was apparently written up for the time it took them to clean up after their own nosebleed.
In the FC where I work, the temperatures are definitely not pleasant, but HR insists we simply aren't aware of how perfect the climate control is.
I think it's one of those things that depends on where you work and who you work under.
* What is it, Voice of the Associates? Something like that. It's a big whiteboard in the breakroom. You write down your login and a message for management/IT/HR and they write a response.
On what basis? All we have is PR talking points presented, deceptively, as genuine opinions of real employees. That doesn't seem like evidence.
I didn't say the words you quoted.