Yeah, they have them at Bills Stadium.
They have them just about anywhere really large numbers of men will need to take a leak at about the same time. So long as the drains work, they’re great.
I went to a B’more Ravens game their first year, at the old Memorial Stadium. Went to get rid of some used beer at halftime ... glad I was wearing boots.
I’ve rented a few beers that ended up going into those.