@icedquinn To be fair it has... In the netherlands most toilets at train stations are in fact self cleaning. Not just the toilet the whole bathroom.
The room locks down and the entire thing, every inch, is stainless steel. Then rods come out of the walls all over the restaurant and then spray and clean the place.
Here is one example of them. This and bathrooms very similar to it are in every train station
@icedquinn this isnt UV, watch the video.. it washes the floor.