A big part of the problem is that all existing alternatives are objectively inferior on an individual level. Cars provide long or short distance uninterrupted

A big part of the problem is that all existing alternatives are objectively inferior on an individual level. Cars provide long or short distance uninterrupted point-to-point transportation in a private environment with climate control and a large cargo capacity. Every alternative is worse in some or all of these ways, and the few advantages they do offer are usually only worth those drawbacks in rather niche circumstances.