just me,
I don’t know the answer to Azi’s inquiry, but would you lecture Avrohom Avinu for stealing his fathers getchke? And what a lack of kibud av that is?
What if C’V someones parent was hiding Chazr in the house and eating it when no one was looking? I am certain that discarding the Chazar would be a mitzvah gedolah.
I am not extrapolating this to this situation. It may or may not be appropriate. Thats one of the reasons the Rabbonim are here for.