The problem with public transport is it serves too many masters. Is it a system to allow the disabled to get around? Is it a system to enable everyone in town

The problem with public transport is it serves too many masters. Is it a system to allow the disabled to get around? Is it a system to enable everyone in town to get around? Is it a commuting system? Should it be subsidized or revenue neutral? Trying to solve all these problems makes the public transport systems not work for any of them well.