The problem with copyrights and patents is that the concept of intellectual property rights is fundamentally flawed.  (In that they are completely unnatural and in no way rights).

As a result it is simple cause and effect that any set of IP rules will eventually lead to the kind of insanity we have today and worse.  (And, you certainly can't fix it, that would be like trying to modify rain so that it will not fall from the sky.)

Give the automakers some time to catch up with the evil which is the EULA:  In a few years it will be illegal for you to fix your old car yourself.  (Heck, with the computer chips and their diagnostics tools they're not far from making it illegal for you to find out what's wrong with your car.)