I've done a bit bit of my own research on the subject, you can too.
When you next go shopping, look in someones trolley and then look at them, and if possible their kids.
To date my results are that people with ready made processed often frozen, sometimes dried meals..... Are not lookin real good!!
The ones with vegeis, meat, BUTTER (OMG so bad), oil, spices and other stuff you would
cook a meal with are looking better, and spending less money.
Don't take this as gosple though as it's not peer reviewed or anything like that.