I think it's a bad analogy. For one - smoking does very high permanent damage to a car interior.

Two - the usage pattern was Shaun's toc but not obviously against the spirit.

More like "you can use my car to drive around as much as you want" And then going: Obviously I didn't mean driving to another coast on a highway

More like "you can use my car to drive around as much as you want so long as you don't drive to another coast on a highway" and then you drive to another coast on a highway and get mad when I won't give you my car next time.