Innovation makes the world go round. Patents protect innovation. Patent trolls suck energy and time and money from companies that spawn innovation — so much so, that some companies die in the effort.
Welcome to the world of the patent troll, where the legal system can be gamed to garner patents and licenses without making a single good, or providing a single (good) service. The key here is simply to get firms to pay up for the privilege of continuing business as usual.