In my school district, they will NOT stop a kid from eating what they want to eat. Personally, I don't argue with that. They need to consume something so better it be something that they'll actually eat than nothing (which happens, trust me)
I remember in high school I had a stint of having crouton salads for lunch. That’s exactly as it sounds.
TBH this does sound like a real jerk comment (especially given the lack of any ability to travel backwards in time), but it is nonetheless correct. IME, the less they have of that stuff the less the less they'll want it.
Still, different kids are different. When dealing with a kid who's lost their mind due to hunger (and for those who doubt, that's a real thing, not an exaggeration), having to choose between offering healthy food or no food can be a no-win situation.
And that was my own experience too: 60 years ago we brought "weird" lunches compared to the other kids at school. We all traded a bit of course and I don't remember it being a big deal, though my sister complained so maybe I was just an oblivious nerd.
Source: parent who swore up and down that they were going to make their own purees, and immediately caved when they realized just how much gddmn*d food a 9 month old goes through in a week. I was sure I was going to be a hyper-organic, make everything fresh type parent, and now we give him frozen pancakes and squeeze pouches. It turns out that getting kids calories is hard enough without having to make it all yourself.
Also, many things fall into the not-ideal bucket. That doesn’t just mean the quality of the ingredients but also the specific food. Someone else mentioned chickpea pasta - and it’s great. But it’s also still partially processed. But because it’s not pure generic pasta, it’s ok? I don’t know.
I really prioritize the quality of things as much as possible rather than worrying in detail about whether they are metabolic superpowers or the opposite.
We bought a few when we started to transition to solids but never used them. Our one year old eats the protein we are eating (and has since about six months) and then has her own vegetables, cheese, chickpea pasta, etc.
Pouches aren’t a reality for her and thus she won’t ask for one. Same with gold fish, fruit juice and a ton of other metabolic disasters. Granted this is easy right now and, to your point, is going to get harder when she enters the school system. I’ll need a strategy for that next.