Again, I'll have to beg to differ with you as to this warning of who is on what list.
I find I am able to learn from one and all where that aspect of what they assert is sound.
Yesterday, I was listening to a Rabbi who obviously denies that Jesus was their Prophesied son of David...
Matthew 1:21 And she shall bring forth a son, and thou shalt call his name JESUS: for he shall save his people from their sins.
Luke 18:38 And he cried, saying, Jesus, thou son of David, have mercy on me.
Luke 18:39 And they which went before rebuked him, that he should hold his peace: but he cried so much the more, Thou son of David, have mercy on me. 18:40 And Jesus stood, and commanded him to be brought unto him: and when he was come near, he asked him, 18:41 Saying, What wilt thou that I shall do unto thee? And he said, Lord, that I may receive my sight. 18:42 And Jesus said unto him, Receive thy sight: thy faith hath saved thee. 18:43 And immediately he received his sight, and followed him, glorifying God: and all the people, when they saw it, gave praise unto God.
Nevertheless, as in the past, I found I was able to learn much from said Christ denying Rabbi, where what he was relating as to other issues was objective.
One is never too big to learn from another - where that aspect of what they are asserting is objective.
If...one is also actually being objective.
That right there is the wise as a "serpent" gentle as a "dove" that the Lord advised.