The video shows an electric rail system, that isn't incompatible with moving larger numbers of people. Look at the high occupancy car at :47.
>If people can't sit next to random strangers on the subway or on the bus, they should be seen as dysfunctional and sociopathic.
Mental illness is probably not going to disappear any time soon. Viewing them hatefully isn't going to get them to like riding the bus. It's just going to make you a hateful person.