The thing is, home cooking technology is improving, with home combi-ovens the same technology that is used is quality restaurants to reheat quality frozen food and serve as new. So the quality could be there. There's also the new solid-state microwave ovens which may also work well.

As for the price vs eating out ?

Well, part of this is scale and nestle can make this stuff for cheaper. But also, if this stays fresh for a week, it might fit a distribution channel like a grocers pickup service,which costs a lot less than deliveries, and marketing cost could also go way down.