Until all the issues are fixed, they are all problems for anyone buying a 50 series card, even worse for people buying pre-built systems likely unaware of any issues.
A card being under warranty doesn't mean anything if sending in a card requires waiting months for a replacement, and the amount of cards with missing ROPs doesn't seem to be known either. Nvidia has yet to make an open statement about any of the issues. IMO, a short PR response to a news article isn't enough, Nvidia needs to apologize and recall affected cards, they're trying to do an Intel with not doing actual customer support.
So if drivers can be excused for Nvidia by going back to an older version,50 series owners can't btw they're stuck with black screens, then no one can say AMD drivers are crap since Nvidia gets a free pass.