That they could get the same level of table service if waitresses were paid a flat wage.

That waitresses rely on tips to make up for a deficient wage instead of the other way around.

That less ice will mean more drink in the glass.

That the 185°F water from the coffee machine will clean the silverware better than the much hotter sterilizing rinse of the industrial dishwasher.

That they should wait to complain to a manager instead of telling me right away if something is off so I can fix it.