"Daniel J. Stern" > wrote in message
.umich.edu...
>
> They're still in business because nobody *ever* lost money marketing to
> ignorant idiots and gullible fools. Since there are so many of both, it's
> a large market. Since logic and science haven't been effectively taught in
> the US for several decades now, it's also a growth market.

Did not Quaker State buy the rights to market Slick 50? A change of
ownership
seems to have 'purified' the product.