Anak naman ng ano, oo.

Sure, they can help bring your food to the table. But they're not getting paid enough to wait on you. So it's best you get off your fat ass to get those extra napkins, that additional bowl of gravy, or that glass of water. It's a fast food joint, not a fine-dining place. So wipe that smug, arrogant smirk off of your face and have the courtesy to return the greeting thrown your way and thank them for cleaning your crap up.