Most people live in these crowded cities because of job opportunities. And then, as time goes on, they get used to being city dwellers and do not see any problems with it, while outsiders cannot see themselves in those living conditions.
The California coast, actually the entire West coast up to Bellingham, WA, has many places I would be happy to call home. But I have given up the idea of moving. My roots are too deep in the South West, and I will die here.