How do you figure?
Some wait staff will piss and moan about it. Others will be hustling because they understand that turning more tables equals a better customer experience and more opportunities for tips.
The end result of a forced labor cost change by governments to businesses doesn't yield a magical change where money materializes from good intentions with no negative outcomes. This is known. No more experiments need to be performed using the same failed hypothesis.
Red Robin will offset minimum wage hikes by canning busboys