In this same vein, none of these public options are attractive if I have to bring:
- support infrastructure for a small child
- support infrastructure for on call (I can leave the laptop in the trunk)
- gym clothes or work clothes
The same goes for taking items home. I can take home way more than I can carry in a moment if I have a car with me.
The private automobile (well mostly its trunk) gives me a small bit of somewhat secure, private storage space where I'm going. Plus the flexibility of controlling my environment (while inside it), leaving when I want to and going where I want to go (no matter how slowly).
These are significant advantages the car has over public transit that don't get wished away by ordering everything through UPS, adding more buses/trains, etc.