On the other hand doors opening to the inside are less safe in case of an emergency. In my country, all doors in public places must open towards the exit of the building.
That’s due to a panic response and people pressing against the doors so you can’t pull them open. That only happens after a certain amount of people. The couple dozen max in a bathroom or most offices won’t have that issue.
It’s unsafe for doors to open into hallways, so you need to design alcoves for every entrance otherwise, so far more space is wasted.
Also, use paper to open the door, and a lot of places have foot pulls now, easier for handicapped people as well.
The best entrance, especially for handicapped people, is a maze entrance, but uses even more space.
I don’t know by what magic a door is safe opening one way but not another. It surely depends on where the door is.
On the other hand doors opening to the inside are less safe in case of an emergency. In my country, all doors in public places must open towards the exit of the building.
That’s due to a panic response and people pressing against the doors so you can’t pull them open. That only happens after a certain amount of people. The couple dozen max in a bathroom or most offices won’t have that issue.