... and as true as that could be in theory, doesn't mean that it couldn't essentially bankrupt a business model that has built a lot of these companies. My family is in heavy farm equipment sales, and the reality is that without the margins on parts and repair, a lot of those business just aren't viable. The lock-in is there to really prevent the fundamental underpinning of their business model. Not saying it is correct or ethical, but it is the economic reality of how a lot of those businesses are structured.