"I regularly saw people bring their laptops into the bathroom, where they would sit on the toilet and write code"
I would need some corroboration in order to believe this bit. The rest of the behavior listed I've sadly seen in other companies, though I've fortunately never been somewhere it was a cultural constant, as opposed to the lack of tact of some individuals and double-digit tendency to hire folks who lacked tact.
Many years ago when I started in corporate code-dronery I was at our US headquarters for the first time when nature called.
At first I was merely amused at the diminutive vertical dimensions of US toilet-stall doors ( they have a much larger gap at the bottom than Euroloos ).
But then I was stunned to pass one stall where there was a pile of Z-fold green-bar printer paper sitting on the floor, with the occupant slowly raising the pages in sequence and presumably reading the code...
I would need some corroboration in order to believe this bit. The rest of the behavior listed I've sadly seen in other companies, though I've fortunately never been somewhere it was a cultural constant, as opposed to the lack of tact of some individuals and double-digit tendency to hire folks who lacked tact.