Why would they want to?
They already have the civic power they need, adding the unnecessary responsibility of governance is an inefficient use of capital
Said another way: sure, tech could turn San Francisco into a company town, but the existing structures are already doing that for them, so why pay for it
My theory is that individuals' marginal impact on policy is so low that, except for the ideological few, even the extreme wealthy find it more beneficial to simply embrace trendy political ideas as a form of atire.
investors just try to make money. Actual municipalities have to balance optimizing like a zillion different outcomes. If you're an investor who wants to grow, that just means a lot of stakeholders getting in the way of making money
municipalities & governments are laden with lots of tricky competing shadow goals like health, welfare, justice, equality, that have no agreed upon definitions. Unlike with the North Star beacon of profit, it's impossible to get people all marching in the same direction