The sentence expresses incredulity about whether someone expects to receive high-quality service comparable to the price of caviar (luxury) but delivered as quickly as service at McDonald's (known for fast food).
Do they expect services like Caviar at fish stick prices on McDonald's speed?! - Gilfoyle
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.
We have a Zoom meeting in a few minutes and I’ll probably go pajama casual.