Originally Posted by
notquiteaff
I wonder if that would be a one time option because they afterwards they might decide that renting to you is no longer profitable.
Bingo. In fact this is highly likely based on other practices, e.g. rental companies have been known to ban customers who contest charges with the card issuer.
Of course in my view this is not a problem as you should be delighted if Hertz is not an option anymore. I'm not aware of an industry blacklist...