It would be really weird for McD's to require a purchase, at least for our use case. We often stop at McD's on a road trip (we have kids), and the first order

It would be really weird for McD's to require a purchase, at least for our use case. We often stop at McD's on a road trip (we have kids), and the first order of business is always the bio break, wash up, and then order food. It would be irritating to have to reverse that process and then leave our food to get cold while we sought relief.