Quote - It takes two to tango. True! If I'm getting this right though it means deceptive marketing techniques are all right because the consumer is stupid and longs to be suckered. 

It means that the world is the way it is... and people are the way they are.
And not stupid, ignorant. There is a difference.
"Let the buyer beware" is an ancient saying.

EDIT - also "Look before you leap."

Friends don't let friends use booleans.