And this is why I will never understand why many think tipping is a practice upheld for the benefit of the restaurant. Cash in your hand is always better than cash in someone else's hand.
Perhaps you are thinking of strip clubs?
So, while a fun distraction, we're right back to you thinking that money in someone else's hand is better than money in your own. What is your rational? Conventional wisdom says that there is leverage in increased cashflow. Why is the conventional wisdom wrong?