There’s no moral problem with increasing the price when it becomes a better product.
There arguably is a moral problem selling a product with optional safety features that cost extra.
If tesla invented immortality fields within their vehicles, I have no doubt they would jack up the price, and that would be fine, because it’s now a much better car. To think otherwise would be silly.
> I assumed you meant that they should include safety features for no extra cost, which they do
I could buy a car without it for 37500 and now I can't but I can now buy a car with it for 39500 and you would still consider this is no extra cost?
I must be misunderstanding what you are saying