Because that's the mind fuck the shill is going for.
Same, same for Pig and shillPig.
Sometimes a smile is genuine from being happy or amused and sometimes it's a 'bitch, please. don't make me slap the ever loving shit out of you' smile.
Pig was using the former in this case.
Sorry, Pig, for speaking for you.
Love you. (no homo)
And yet, here you are too.