There are people with John Deere tractors who claim they can no longer use said tractors because the tractor's owner won't pay for an authorized tech to come ou

There are people with John Deere tractors who claim they can no longer use said tractors because the tractor's owner won't pay for an authorized tech to come out and plug into the tractor. Because farmers have to be frugal. So maybe they can yell copyright. On the other hand, things with engines can hurt people so you cannot allow unconstrained access to that port. Safety, IP and "who owns what" will make things more interesting as things emerge.