Maybe. Or they know if they buy today and make it hard to build, they can go somewhere new with a big pile of money later. They got theirs, and they don't care about the others.

In actually, it's a big and heterogeneous group of people. I expect some never learned, as you say. Some are jerks, as I described. Some just don't think deeply enough about their policy choices, and some think there are post-Econ 101 reasons why the Econ 101 dynamics (while important) aren't what dominate.

And of course there are some of us Californians, staying and leaving, who do think it should be easier to build.