Whole grain bread or infant formula can be “highly processed” despite very healthy.
In the end someone else cooks for you and packages it. They can cook healthy or not or in between, add a lot of salt or little, .. as always it’s more complex.
1: https://www.nature.com/articles/s41430-022-01099-1
2 https://www.cambridge.org/core/journals/nutrition-research-r...
For example, normal simple bread should only have 4 or maybe 5 ingredients.