If these guys can afford to keep advertising on TV, there must be SOMEBODY out there responding to these ads. If they weren't making money, they wouldn't continue to run ads.
I guess we just have to accept P.T.Barnum's saying that "There's a sucker born every minute." I don't see how we can educate all of the ignorant (read unlearned) people.
Oh well --
These opinions are strictly my own. However, if you really want them, we can negotiate.