Incomplete models are incomplete. It completely ignores the ways on which the mentioned transport should take place. It ignores that you usually don't have one

Incomplete models are incomplete. It completely ignores the ways on which the mentioned transport should take place. It ignores that you usually don't have one place from which everybody starts but multiple places to other multiple places. And if you think about it, individual car mobility is this in practice. The ways are build by someone else but you can decide how and where to drive. And it kinda failed in many areas.