How many people have you thanked for the words and phrases they originated? Note: They didn't make them famous. That happens through various means (marketing, PR, luck, etc...)
Why do think they deserve to be thanked?
Why do think they deserve to be thanked?
This is the way cults are formed, and from cults, culture.
There's nothing wrong with acknowledging people for their great contributions - unless you're rabidly anti-cult, in which case, nihilism.