Small toilet bowls suck, but if it's in my house, at least I know it's my pee pee that I'm cross contaminating with. A public toilet? Forget about it.
The absolutely worst toilet design I've ever come across was in multiple locations in Germany. They weren't everywhere, but enough of them were around in multiple cities that it wasn't a fluke. Where US toilets have a large reservoir of water and a drain towards the rear of the toilet, essentially perpendicular to the a-hole, these toilets were the opposite. The drain hole was in the front, which in and of itself is not so bad. But in this arrangement, they decided to place, directly below the bombing path....a shelf. A horizontal surface that your shit will pile upon. The situation is further compounded by the fact that this shelf is ABOVE the water line. You shit directly onto a bare porcelain shelf.
So the situation you have here is a large steaming pile of shit, not immersed in any water to absorb the fumes, that you cannot courtesy flush away because if you do so, there is a significant risk of blowby fecal matter splattering all over your balls because of the high pressure/low volume water saving toilets they use. You do not have the luxury of enjoying a relaxing shit. You have no choice other than wiping as fast as you possibly can and getting the fuck out of that stall before anyone catches you exiting the now putrid smelling bathroom.