I will not attempt to influence the thinking of anyone who believes that cabbage, broccoli, brussels sprouts, etc. are bad for a person to eat. It is not my purpose.
Many people, even those who go to church everyday, are so far away from nature right now that there is no way to bring them back, as it is their own stubborn ego combined with a lack of free will / thought which keeps them astray. Nature has a way of dealing with such types.