Spaw-

A "john" in Ethiopia is housed in an auxillary structure called a "shinta-bet," where "bet" is the general term for house and "shinta" is a distinctive output of most mortals. Within a traditional shinta-bet there would be a small hole in the floor and a couple of markers for one's heels, to facilitate squatting over the hole. Be grateful you were dealing with a more Western style appliance.

The restaurant manager probably invited some of his friends to install the toilet, rather than a licensed plumber. It's good that you provided him some feedback. They need to upgrade.

Happy to hear you enjoyed the meal. Did you order the honey wine as well, known as "tej"?

Cheerily,
Charley Noble