I guess it's a thing. Happens in America too. Optional though. Tipping is a societal defense mechanism to rationalize & justify gross inequality. People will

I guess it's a thing. Happens in America too. Optional though. Tipping is a societal defense mechanism to rationalize & justify gross inequality. People will leave a 5 dollar tip, but they won't invest in helping change someones life by giving them knowledge and experience they don't have.