The Great Public Restroom Blowdryer Conspiracy

I have often wondered:
How come every single blowdryer in every single men's room I have been in has exactly the same graffiti on the instructions (that is, when the instructions are written)?

"1. Push Button."
Someone crosses out the "-on."
"2. Rub Hands under warm air."
Someone crosses out the "w-" in "warm," and also the word "air." Sometimes (okay, so this one part of it isn't always the same, it's optional) people also cross out "hands" and replace it with - something less appropriate. Let's just say the Vice President's first name.

Is this just because idiots all think alike, or is there some great graffiti conspiracy going on?

Hmmmm....
"Listen, there's a new restroom opened up - that new McDonald's over there has one!"
"Oh, man. We need to contact the leader."
"Leader, there's a new McDonald's. t has a restroom."
"You know what to do, men. Do me poroud and make those alterations to the instructions."

The only original graffito I remember seeing on a blowdryer was "Step 3: Wipe hands on pants."
Knowing the great effectiveness of men's room blow-dryers, I can understand that one.