Technically, since the deer are controlling the sleigh, maybe Santa could manage just fine with a beer or two. Now, if he partakes in every home that lines him up with one, then we'd have a huge problem in the sky on Christmas Eve.
I have no idea why this isn't already a thing! A portable trailer bar is in the works for people to rent for their parties and events. The adorable trailer will be available at the beginning of 2022 barring any complications.