Mark seems to recall the word choice of Christ differently in this incident than Matthew:
For MOSES said, Honour thy father and thy mother; and, He who is speaking evil of father or mother – let him die the death. Mark 7:10. YLT.
To reiterate, I believe Moses sometimes mistakenly embellished his communications from God, adding threats and curses that were never from God. As I said earlier, I believe Jesus was sarcastically confronting the hypocrisy of the priests in nullifying the fifth commandment in deference to their selfish monetary interests.
That Jesus in the same breath mentions capital punishment for those who speak evil of their parents, which was an embellished dogma “commandment,” only adds to his sarcasm against the priests, who were guilty of the greater sin for leading people into deception—and therefore more “worthy” of death, according to dogma.
I do not in any way believe that Jesus was reaffirming a neglected “commandment” that called for the execution of children who dishonored parents. Do you? (Or should we suppose the Savior of the woman caught in adultery, the Savior of mankind, was actually frustrated by the Roman occupiers—because they were impeding executions that needed to be carried out by the Jews?)
The accuser is Satan (Zech. 3:1, Rev. 12:10); and sometimes it is Moses; but it is never Jesus:
Do not think that I will accuse you to the Father. There is one who accuses you: Moses, on whom you have set your hope. John 5:45.
Jesus is our advocate (1 Jn. 2:1). Satan’s weapon against us was Mosaic dogma (“the rules and requirements of the law of MOSES; carrying a suggestion of severity and of threatened judgment”), which God took away, nailing it to the cross. Col. 2:14-15.
Moses got things wrong every time he added vindictive dogma embellishments to God’s communications, and we recognize he added a bunch:
Love does no wrong to its neighbor. Therefore love is the fulfillment of the Law. Romans 13:10.
Let’s not redefine “love” to include “honor killings” and genocide, saying they are somehow “helpful to neighbors,” even in the Old Testament. God is love. God is unchanging. Let’s not take dogma down off the cross, insist it’s divine, and hand it back to the devil!