Public restrooms have a long history of challenges. Some cities take those challenges on, and some don't.

Things that I've noted as challenges (unordered) are; gang tagging/claiming, people sleeping in them, cleaning them, equipment damage, supplies (toilet paper, hand drying), and water wastage.

I wonder sometimes if squat toilets are a better solution for public restrooms with a varied population. Given they are pretty straight forward to clean from a distance with a hose.