>One of the big players should launch a giant warehouse - serving as a giant kitchen. Capable of cooking all kinds of different varieties of cuisine and tons of automation. And a huge staff of well-trained chefs cooking, and delivering to a ~50 mile radius.

They did, it was called SpoonRocket. I loved it, you could get a decent meal delivered in under 5 minutes. But they failed horribly because the economics just don't work out [0].

https://techcrunch.com/2016/03/15/spoonrocket-shuts-down/ [0]