They're also extremely local, so it can be quite hard to scale.
The standard SV "ignore the laws until too big to fail" Uber/Airbnb is just not going to fly. You've never seen enforcement until you've seen the building inspectors crawl up someone's back unpermitted retaining wall (going so far as to take the sheriffs to order a backhoe to knock things down).
This isn't a business strategy because any reduction in taxes or ease in permitting also benefits your competition. Unless you mean that a company should lobby to increase difficulty/taxes so that they're the sole survivor.
The standard SV "ignore the laws until too big to fail" Uber/Airbnb is just not going to fly. You've never seen enforcement until you've seen the building inspectors crawl up someone's back unpermitted retaining wall (going so far as to take the sheriffs to order a backhoe to knock things down).