Several of the people interviewed in the article mentioned the proximity of the hospital where they get their medical needs taken care of. One mentioned having

Several of the people interviewed in the article mentioned the proximity of the hospital where they get their medical needs taken care of. One mentioned having to be nearby because they were waiting for a liver transplant. I don't know the intricacies of the US health care system, but I think it might be a major setback for their healthcare if they relocated. And they might not be any more well off if they relocated. They might have slightly higher wages living in SV. Moving elsewhere might mean they couldn't even afford living in a vehicle.