Breaking the law is part of the "disruptive" entrepreneurship strategy for these companies. Incumbent companies tend to influence the law, not necessarily break it. For a disruptor to break the law, the company needs a lot of money to fight back.

Airbnb and Uber are managing to fight the regulatory hurdles with ~5x is ~13x the valuation of Zenefits, respectively. While Zenefits is ~5x the valuation of Aereo, it seems they have some catching up (read: fundraising) to do.