Have zero in the bank: can't afford to be a patent troll. Have a few million: can afford, might even make financial sense, assuming you are ok with it ethicall

Have zero in the bank: can't afford to be a patent troll. Have a few million: can afford, might even make financial sense, assuming you are ok with it ethically. Have a few billion: why be a patent troll? You have the world's biggest yacht -- do you need 1000 more? Boggles my mind.