The same reason smaller teams can accomplish things that large teams can't. The solutions don't scale. Corruption, fraud, abuse, bureacracy and enforcing regulation gets in the way of actually addressing or better yet SOLVING the problem. This is why large companies cannot innovate but instead buy small companies that do and that government does not actually solve problems.

The distance issues becomes a problem. What works for the Bay Area doesn't work for North East. It's both because all politics and business is regional, and because information flows are affected by distance.