Yeah, I'm an idiot and I tip even when I do takeout -10%. I've worked their jobs before so I figured whatever, the extra couple of bucks isn't going to kill me. I even have issues not tipping if the service was incredibly shitty (I still tip 5% so the kitchen doesn't get shafted).
I think I've only not tipped like twice in my entire life and the shame that I felt walking (read: running) out of those establishments wasn't right. It's weird how we're expected to tip and not tipping on absolutely shitty service/food is shunned.
2010 Jeep SRT8 aka Boris / 4G 4Runner (2UZFE) aka Blacky Chan / 2007 CBR600RR (race bike)