I like light rails, prefer them over busses. People kinda trust light rail more than busses, because for light rail you need a track and a station, for busses you just need a bus stop sign.
My bigger point is, when you $10 for a ticket with the train you need to pay additionally for you next leg of the commute. If you commute it is really a good idea when the ticket is valid for your entire commute, not matter to which transport you transfer: train, light rail, or bus.