That's because you bought it from Tesla, I expect some time after the policy change? That's a different thing because it wasn't a direct owner-to-owner sale. Once Tesla comes into ownership (having paid the prior owner for it) they decided to strip that particular value from the vehicle (I don't know when that part of the policy change happened), so you didn't pay for that. However if you'd bought direct from the original owner (or some chain of owners that didn't include Tesla) you would have and would have free SCing.