And that the underpaid staff in the kitchen that now is at a cheaper hourly rate because they don't "need" front-line social skills is literate enough to read y

And that the underpaid staff in the kitchen that now is at a cheaper hourly rate because they don't "need" front-line social skills is literate enough to read your custom order and/or cares enough to follow its instructions to the letter. They certainly aren't paid to care about customer service requests by that point.