pro abortion lunatics are dangerous. O would never introduce any child to the crazy, depraved fucks.I introduced my kids to all the members of my family, from day 1. That you would even consider some 'PC' relatives to be some sort of risk to your child shows a deep lack of confidence in your own 'convictions'.
You seem to understand that your philosophy is fundamentally flawed, and exposing a fresh young mind to reality will mean he is 'lost' forever.
You want, perhaps, to be sure he is brainwashed sufficiently, with an unquestioning belief in bronze-age mythology, before any rational thought finds its way into his head.