

I wanted to come back to your comment after I received some input and slept over it.
Your point is that the customer, even though they bought the car under that impression that it has less horsepower, should now be able to unlock it for free since they own the car. If owning really means owning this should be possible and that is why you describe it as literal theft if the functionality is now being made available only through additional purchase.
I fully agree with your point and was simply misunderstanding your comment.
Thank you for the objective discussion. This helped me broaden my understanding of what ownership should be. I was very hung up on the point that existing customers still get what they payed for that I did not see the bigger picture what ownership should really mean.
You are right. If you really own the car you should be able to use all of it, even if the manufacturer sold it to you under false performance claims.
I was hung up on the fact that in my understanding the existing customer still has the same product they originally purchased that I missed the point of what ownership should really mean. I never agreed with this practice but I was missing the point by arguing the wrong argument in my previous comment (and in another comment chain).