Being the devil's advocate: if a company can invent a product and earn a profit through licensing a patent for that product, is it not likley that they could re

Being the devil's advocate: if a company can invent a product and earn a profit through licensing a patent for that product, is it not likley that they could reinvest more in product development by out sourcing the collection of licensing fees to a company which specialises in collecting license fees, and finding new licensees? And is this fee collecting company not a patent troll?