And apartment buildings aren't the only high density options available. Half the issue is just the bans on subdivisions and requirements for minimum parking, lawn setbacks, etc.

There is a great deal of difference in density between these options:

I can understand not wanting to live in a multi story apartment building. But for those people, some percentage of them would still be ok with one of the first two images here. We don't all have to go with the third one if we want something more independent.