The fast-food giant is trying an idea that Starbucks has already been successful with.
Source: McDonald’s Launches a Whole New Kind of Restaurant – TheStreet
As previously stated here, the labor shortage is permanent due to demographics. Businesses will address it through business process efficiency measures and widespread adoption of automation.
Today, automation is surprisingly inexpensive and capable of much more than many people realize. The pandemic and low skilled worker strikes ($20/hour baristas at Starbucks with full benefits) is accelerating the transition to automation.