It doesn't have to be "extortion", as the article puts it. It can simply be that the patent owners are building a court precendent. They don't need to care ab

It doesn't have to be "extortion", as the article puts it. It can simply be that the patent owners are building a court precendent. They don't need to care about settlement/penalty money (although there's no harm in recouping some expenses), it would be useful even even just to build a case by winning enough small battles, and later go after the big boys.