The thing I learned from Amazon's senior principals is that actually it's good and normal to turn red in the face and scream at your junior colleagues that they're fucking idiots when they have the temerity to politely disagree with you.
They get it from senior management, and pass it down like generational trauma. This was a problem even in 2013 when I worked there. Once, I was new and actually pushed back against a Director level person's poor behavior in a 70 person meeting, because I didn't know better. I was approached by multiple individuals afterwards telling me how "brave" it was of me.
At Amazon, unkind and downright unprofessional behavior by people higher up the chain is normalized, and has been for a very long time.
I've never worked directly for Amazon, but for a consultancy that was an AWS Partner.
I got an invite to a team skip level meeting once, and holy shit I could not believe the asshole and bullshit crap those seniors were tossing at each other, at the Partner manager, and also us.