If you think this through, with all the comfort people usually want, you end up with individual autonomous cars. When ignoring external constraints (energy use, traffic, parking space) it’s the optimal form of transport.
Practically nobody would say something like “I’d like to share a cabin with strangers” or “I prefer to walk to a bus stop and wait there for the next vehicle” or “I like to carry my stuff around instead of just leaving it in the vehicle”.
Practically nobody would say something like “I’d like to share a cabin with strangers” or “I prefer to walk to a bus stop and wait there for the next vehicle” or “I like to carry my stuff around instead of just leaving it in the vehicle”.