Robotic equipment has been appearing in commercial kitchens for several years now - machines that fry, that assemble a pizza, that make a coffee to order, that portion and plate. The coverage tends to frame this as machines replacing cooks, which misreads what the equipment actually does and which jobs it is placed in. The tasks being automated are the narrowest and most repetitive in the kitchen: lowering a basket into hot oil and taking it out at the right moment, spreading sauce evenly, placing the same items in the same arrangement several hundred times. These are not the parts of cooking that anybody trains for.
What drives adoption is also more specific than cost. The fryer station in a busy kitchen is hot, greasy, dangerous and monotonous, and it is consistently the hardest position to keep staffed. The business is not usually choosing between a person and a machine on price; it is choosing between a machine and an unfilled position, a rota gap, or a member of staff doing a job they dislike and will eventually leave over. That is a different calculation, and it explains why this equipment appears first in high-volume operations with a narrow, unchanging menu - which is also where the machine's rigidity costs least.
Rigidity is the real constraint, and it is worth being clear about. A machine that assembles one pizza well assembles that pizza, at that size, with those ingredients, arriving in that arrangement. Change the menu and the machine needs reconfiguring or becomes useless. A kitchen that varies its offering, responds to what is available, or does anything by judgement gets very little from it. So the technology is not moving steadily toward the ordinary restaurant; it is finding the specific niches where the work is genuinely identical every time, and those niches are not where most food businesses operate.
The secondary effects are the part worth watching, because they are less obvious and more consequential. Consistency improves, since the machine does not get tired at nine in the evening. Waste falls, because portions stop varying with who is on shift. And the people in the kitchen move to the parts that need a person - preparation, the things that vary, the things that need tasting, and dealing with the evening when everything goes wrong at once. That last part remains firmly human, and there is no equipment on the horizon for it. The interesting question for any food business is not whether to buy a robot, which for most is not yet a real question, but which single station in the kitchen is identical every single time - because that is where the answer will arrive first if it arrives at all.