Because they immediately see something about you they can change.
The man says, "I don't wake up until 10:30."
To prove they can focus on two things at once.
Seven - one to actually change the bulb and six to complain that they liked the old one better.
You weren't there, man!
Yeah.
One.
Sorry guys, moustache!"
I moustache you a question about this style shown here, good sir.