But why does that preclude honouring the mother of the Lord as He would?”
No problem with honoring Mary, but praying to her to intercede with Jesus I have a problem with.
Jesus himself said you pray to the Father in His name
The Lord’s Prayer, the only prayer Jesus taught as His own, does not include Jesus’ name.
The koine of John 14 indicates that anything asked in Jesus’ name will be granted, not that Christians are forbidden to ask others to ask as well.
Is God the God of the living or the dead?