What in the world is bouldering?

This is the real reason. They want us confined to basements, closets, or graves.

in most Nordic countries, they don't care about gendered bathrooms in a large number of places. the solution is easy- extend the doors lower and higher on the stalls. they also don't have a problem with seat pissers for whatever reason

You're thinking of single occupancy bathrooms. Unisex bathrooms have the same capacity as segregated

I don't mean to have one toilet in one larger room, but to have several(more than two) small rooms with one toilet a piece along like a hall or something. Same total square footage as a traditional public restroom, just structured to be a single occupant. Think like a line of portapotties.