They own enough property that they are not, in fact, working class. They don't have to work for a living (any more), they choose to.
Bosses like locating in expensive cities because they have the income to buy property in those expensive cities, and rake in the capital gains that come from others locating in those expensive cities. They all stand to lose a lot if people move out of those expensive cities because the housing pyramid that supports the imaginary value of their property collapses.
You are very ignorant about what working class means