Used to have automation in restaurants in like the 20s. Those vending machine 'automats' think they were. Notice there aren't around any more.
Government regulations no doubt had a hand in their discontinuation.
Not really
"The format was threatened by the arrival of
fast food, served over the counter and with more payment flexibility than traditional automats, in the automats' core urban markets in the 1970s; their remaining appeal was strictly
nostalgic. Another contributing factor to their demise was inflation of the 1970s, making the food too expensive to be bought conveniently with coins, in a time before bill acceptors commonly appeared on vending equipment.
"