As someone who loves trains and buses and planes, I wish that people who pushed public transport would actually engage with the reasons why people don't want to use it rather than just making alternatives worse. There are three main issues that need to be solved for even me, a train lover, to prioritise using them. 1) Undesirables need to be removed. I don't want to deal with beggars or other general hoodlums. Transp…
If 'undesirables' are part of your local area, then they'll be on the public transport. The clue is in the name. The reason Japan doesn't have them on the trains is not because the guards have removed them, it's because they weren't there to begin with.
Their examples of undesirables are about behaviors, not sectors of society.
Since we're using Japan as an example, Japan does have very strict social rules on public behavior that probably help in this area.