Maybe they've got a big kitchen.
>advertising is not the right tool for discovering this
What is the right tool? How would new products find customers without advertising? I think any alternative would be much slower and less effective.
>advertising will always exaggerate any positive of something and downplay any negative.
Customers know this. You're underrating how smart customers are.
>If it weren't explicitly outlawed, advertisers would probably add "enlarges your penis and cures cancer" to every single product ad.
You really think people are stupid and they need someone like you to protect them from their stupidity, huh? Of course advertisers wouldn't do such a thing. It would be terrible for brand equity.