Every other sentence in this article reads like something from /r/iam14andthisisdeep
These devices are awesome. When I go to lunch with my co-workers, it's easy to split the check. I don't have to give my credit card to anyone. And if we're in a time crunch I don't have to flag down the wait staff. Nor do they have to wait for their shot at the payment terminal.
Slim to none.
I suspect this artist has never actually eaten at an airport restaurant -- the staff, at least at JFK and LAX, are some of the most demotivated, spirit-broken people I've ever encountered.