This is us basically. Though we're pretty busy, so we usually try to cook 2 maybe 3 meals a week, and eat the leftovers on the days in between.
Don't get me wrong, we cook good stuff, we just purposely make a lot. I'm not going through all that effort for one tiny meal, unless it makes sense to do so, like we won't be home for meal times or something so it would go bad.
But we keep some premix stuff around, and I have a few fast but not so healthy scratch recipes I can whip up in a jiffy. That's usually us on Tuesday nights.
I've got one where I literally just throw rice, chix broth, frozen precooked (by me) chicken, frozen mixed veggies, and garlic/other spices into a rice cooker. That way I can just slap it together, jump in the shower, and eat quick before leaving again. Sometimes life is just that way.
Well, also no. I mean, I do, and so do many of my friends. But many people rely on all seasons. It's... Not the best plan. But a lot of people do it.