Really. Invent a self flipping burger and no one will work at McDs.
That’s not likely to happen for a while, but burger cooking automation was already at the point where it could replace humans about two years ago. The break-even point that was calculated at that time was $10 per hour.
They already make vending machines containing pizza making bots, by the way:
https://www.youtube.com/watch?v=Pyrav_9Pbsc