Some Companies Are Too Powerful to Fail

"But there really are economies of scale in political lobbying. The cost of presenting your case is independent of the size of the benefit you seek. The larger the business, the more likely that legislators will see constituency interest or political advantage in being helpful. Big companies have government affairs departments but for small groups the cost of access is prohibitive. Only large companies have access to the sharpest shooters."

Read John Kay's excellent article here.