I understand that they count on it as salary, it's the same with the Uber drivers - they don't make enough so they depend on the tip. Either way it's not accept

I understand that they count on it as salary, it's the same with the Uber drivers - they don't make enough so they depend on the tip. Either way it's not acceptable - if they can't support themselves on the wages they have they should demand higher wages from their employers who equally raise the cost of the product.