"Nobody expects the Mosaic Inquisition."
"There an obvious Scriptural problem with a blanket assertion that the death penalty for heresy is contrary to the will of God."
Come on Campion!
"And they did not receive him, because his face was as though he would go to Jerusalem. And when his disciples James and John saw this, they said, Lord, wilt thou that we command fire to come down from heaven, and consume them, even as Elias did?
But he turned, and rebuked them, and said, Ye know not what manner of spirit ye are of."
There was a death penalty used in the NT - Annanias & Saphira! But it was the Spirit Himself who did the slaying.
There is ZERO warrent in the NT for the use of force in dealing with heresy or apostate teachers. The Church is commanded by the Lord in the flollowing...
"Behold, I send you forth as sheep in the midst of wolves: be ye therefore wise as serpents, and harmless as doves."
"...and harmless as doves."