Servers shouldn't have to rely on tips and particularly not if issues other than good service come into play. "Sorry I couldn't tip you, I don't like your hair/teeth/tattoos etc" the list could be never-ending.
It's time for American hospitality workers to organize and demand fair pay and conditions. Your employers can raise prices 10 to 20 per cent and simply tell customers the price includes tip.
Get active and organize your workplaces.
More information about text formats