It's unclear how the problem would be different to the issue of cleaning any other shared space (hotel room, taxi, food court in a shopping mall, etc). Why cou

It's unclear how the problem would be different to the issue of cleaning any other shared space (hotel room, taxi, food court in a shopping mall, etc). Why couldn't you get cleaners (either people, or since we're discussing the future, possibly robots) to do it? It's not like these things would have to be containing a passenger 100% of the time -- get it cleaned in the downtime.