I don’t eat veggies, and I’m definitely not eating the gross parts of my meat like liver, so I have to take a big bowl of supplements. It works out for me.
Veggies: there are still some that give me the horrors, but it's really all in the cooking (and the seasoning). Which is not to say I am a good cook.
I hope over time you find a bit more enjoyment from food but I do fully understand where you are, and very often I am reminded that I could end up back there.
(When I was a kid, early '80s, my mother, exasperated, took me to the doctor and said, he only eats (lists three things). The enlightened doctor said to my mother, in front of me, and I quote: "That sounds lovely. Invite me round for Sunday lunch". And then to my mother when I was not in the room, that worrying about my intake and pushing me to eat things would only make it worse for me.)
But I have to consume like 5k calories every day for sports, and that gets tiring.
When you look at McDonald's at a distance, what they sell is comfort, consistency, and freedom from disappointment. It's always the same.
Haven't eaten there in years, but decades on I can see that there are people in our high-stress world for whom that provides some value.