I'm a little on the rad side for an u.s. american in that for various reasons I make close to all my own meals. I take shortcuts, using canned tomatoes for much of the year, herbs and spices in packets from mexico and mexican vanilla in wee bottles; canned beans a lot of the time. Rice in 5 lb bags, when I don't spring for arborio, which, dammit, used to be much cheaper. I do not own a cow or a goat or a sheep, though I've friends/acquaintances who have, so my dairy is packaged.
I've started seriously making my own bread after years of putting it off after learning about no-knead bread. At this point I'm at 66.667% doing my own. But even with that, my yeast comes in a wee packet. I've not yet gotten into letting grapes ferment for the yeast (or something like that/see Nancy Silverton).
The whole local produce thing is fine if you have even a tiny plot in a fertile area, but land space, even balcony space, is a luxury.
I got into the slow food movement by tripping over it, but much as I understand Carlo Petrini, the founder, or one of the founders, it's luxe for me. I liked a recent new yorker article about a restaurant owner in southern turkey who explores widely for old recipes with local plants, and keeps his restaurants in the non chic part of town so it can hover over them as a group.
The problem I run into as a person who is moderately enthusiastic about learning about different produce, is that produce is ramping up in price. I get why, but it is still a problem for me.
I can understand how even people who want to explore vegetables find it easier and cheaper to do carbs.
On pizzas, I make mine, keep a thin crust or try to, don't smother with cheese and may not even use cheese - it could be all caramelized onions - usually a mix, but not a cheese load. Pizza varies and is now tending to be damned for the obnoxious ones.
Enough about me - from the food blogs I follow, I dunno, ninety, I find people very interested in cooking real food and a lot of interest in nutrition. It's an underworld of cooking play with scant intersest in packaged dinners. I'll be bald and guess most of the people on the blogs I follow, if enervated, wan, not wanting to cook, will eat just one good thing, probably a leftover.
So, I don't know. I figure there is ferment going on re what we eat in the u.s.