And yet we have laws that disallow things that the buyer could just avoid by not purchasing. Because, as a society, we find it unacceptable for vendors to do certain things. And we hold them at fault if the do bad things, even if the buyer had the option to not buy it in the first place.

That being said, how many people buying Kias _knew_ the problem existed? You can't make an educated choice if the information isn't really available to be educated about.