I work at Starbucks and that's technically a non tipping position. We have a tip jar but aren't allowed to ask for tips, the tips we do get are pooled and we aren't even supposed to write "tips" on the jar. I would say 25-50% of people tip depending on the day. I am friendly and do as good a job as I can no matter what, but I appreciate a tip in response to someone thinking I'm doing a good job and I'll go above and beyond for our regulars who mostly tip (although I tryouts do it just cause too).
I would say it's similar to MK. I've always tipped at any hotel I stay at but that's because I thought everyone did and it was expected. I was afraid they would think I'm a jerk and not do a good job if I don't haha, I didn't realize most people don't tip! I probably will continue to do it, the extra $20 I got in tips a week (we have to pool our tips with the overnight staff so we don't get a lot) was always such a nice little bonus for a minimum wage job that barely pays the bills. I would imagine it would be nice to be appreciated for literally cleaning your **** up