This just makes me think of America and the bizarrely huge gaps between the hinges and gaps at the bottom and top of the cubicles, even in very wealthy contexts, like at big tech companies. WHY? Such a strange example of embedded inertias of design in ostensibly innovative contexts.
This was invented after having a foreman check that you pissed or shat in the toilet like they did on a ford assembly line was deemed to expensive.
I find it funny when people see conspiracies in such mundane things.
Those prefabricated kits are cheap and used in many bathrooms. The gaps at the bottom are there for easy cleaning.
Yes, it sounds stupid as an European, where somehow we survive without this.
For first responder access, I have seen a hospital requirement for outswinging doors for one-holers with privacy locks. This allows the door to be opened when a person is collapsed against the door.
(1) “In general” because there are almost certainly niche regulations that require it. For example the construction standards of a state prison bureau, local board of education, etc.