It's wrong because you go to restaurants for food, not to get your coffee refilled and awkward smalltalk. so the tip should go to the person who is making your

It's wrong because you go to restaurants for food, not to get your coffee refilled and awkward smalltalk. so the tip should go to the person who is making your food, not refilling your coffee and making small talk. And if the tips mean they are making more than double the cooks the cooks time is not being valued and they will likely quit