The tone of your comment implies that you are frowning upon food delivery. And many people that are ordering out are doing so because they are trying to keep businesses afloat so the economy doesn’t suffer as much. In addition, people aren’t going to order out as much as you think, typically because food will be cold when you get it home. That’s the general thought by many. It’s nice to be able to get food still, but it’s cold(er) once you get it home so the appeal to eat from a restaurant will decrease. So overall you are probably going to see that people eat from restaurants less often.