Yes of course, why would they pass on the savings to the consumer? If people were happy to pay 10 dollars for a simple meal, that is the baseline and you can keep charging that for a long time.
Unlike real restaurants, people don't see any value in interacting with real people when they go to McDonalds, so by removing that aspect you are not making the product worse, hence you can keep the same price.
Unlike real restaurants, people don't see any value in interacting with real people when they go to McDonalds, so by removing that aspect you are not making the product worse, hence you can keep the same price.