If you want to see where this sort of thing can lead, take a look at the SF classic novel Hell's Pavement by Damon Knight. It all started with companies offering a full year of free goodies -- all you had to do was sign up to be programmed to buy products only from one conglomerate, for the rest of your life...
{smoking is a discusting habit}
Isn't this why there is a ban on subliminal advertising.
{Smoke stinks}
They have been at it for decades on the self help tapes
{cigerets make you look stupid}
David Ogilvy, a recognized expert on advertising, discusses it and he was very against it.