Vegetables do not want to be eaten so they produce chemicals to prevent it. Oxalates, phytates, lectins, and others are troublesome to the human gut lining and the kidneys. The insoluble fiber they contain is undigestible by our single stomach so it bulks up our stools unnecessarily and can irritate our digestive tract. There's no human requirement for fruits and vegetables but if you like them, then eat them and enjoy them..💜