That's pretty good. Though it should be balanced with avoiding factory made food.

I personally think non processed meat is good for you, but that's a minor point compared to ultra processed vs not really processed foods.

I once argued with med students that Oreos (which are vegan) are not healthier than a steak.

Absolutely crazy and tbh frightening that anyone (let alone med students!) would think Oreos are healthier than a steak.

The reasoning of course is that processing and sugar content don't matter as much as any level of saturated fat.

The avoidance of factory food is part of the point. GP is invoking Michael Pollan from the Omnivore's Dillema, among others. By 'Food', Pollan specifically means to exclude the sorts of chemical-engineered vague nutrient simacrula you're talking about.

My favorite plant is wheat, deep friend in peanut oil, covered in corn(syrup).

is the last one even widely accepted anymore

What's not widely accepted?

https://nutritionsource.hsph.harvard.edu/healthy-eating-plat...

Eating most plant starches would be a terrible diet.

It's saying most of your food should be plants, not that most plants should be your food.

(Michael Pollan) https://www.goodreads.com/quotes/18508-eat-food-not-too-much...