So we are a bit overweight. Looks at some typical pictures of frum Jews from, say, 73 years ago. Be happy. It is a bracha to live at a time when obesity is considered to be a public health problem.
And if someone doesn’t want the convenience of prepared foods and restaurants, they can go back to what was done in the past – buy the ingredients, and the fruits and vegetables,and prepare your own. It isn’t like one has trouble finding kosher potatoes.