&gt; ...like business moving away because their rent<p>Yeah, that happens in SF. Businesses can no longer afford the latest in a series of rent hikes, they close down, and get replaced with a bar or trendy coffee shop.<p>&gt; ...would be with the support of a government.<p>Serious question: Isn&#x27;t the institution and retention of rabidly anti-development zoning laws government support of what one might call a &quot;natural monopoly&quot;?