Edit: I may be misinformed. I thought selective breeding was technically considered GM, but it sounds like only editing outside of breeding might be what qualifies. Didn’t mean to make this post about technicalities, just meant to point out that genetics has also played a part in arguably more palatable plants.
Part of it, too, is selective breeding
(aka genetic modification, but that’s a dirty word).https://www.bhg.com/news/brussels-sprouts-less-bitter/
Edit: I may be misinformed. I thought selective breeding was technically considered GM, but it sounds like only editing outside of breeding might be what qualifies. Didn’t mean to make this post about technicalities, just meant to point out that genetics has also played a part in arguably more palatable plants.