Yes, your behavior is insulting in many cultures and is the reason we even have a law in the US that allows minimum wage exceptions for waiters. Over-tipping is worse than under-tipping on a macro scale.
This might be news, but I'm pretty sure that most people, when they receive a larger than expected cash tip just lie about it and pocket the difference.
Otherwise, sorry that my immoderation has caused so much irreparable harm. Regardless, I'm not likely to change until/unless the system is changed.
Otherwise, sorry that my immoderation has caused so much irreparable harm. Regardless, I'm not likely to change until/unless the system is changed.