Ah, the "North Korea" strategy to make San Francisco affordable. Yeah, that would probably work. Kind of a roundabout way of doing things with a lot of other bad consequences, though.
Great idea- let's just ban the jobs while we are at it and the problem will be solved
Supply and demand issues can be addressed at both ends. The US is a large place and only a few cities have these issues. What's wrong with the jobs being elsewhere in the US in cities with more capacity if people are moving to the jobs anyway?