Life of Brian was more entertaining and probably more theologically sound than Verhoeven's movie.
Though Verhoeven denies Christ's divinity, he still says he greatly respects Jesus Christ's "ethics."
If you reject Jesus's divinity how can you accept his ethics? He claimed to be the Son of God and if he was wrong then he is the greatest heretic in the history of the world leading billions of followers from the correct path. (not originally my idea, but I forget who I heard it from so I can't give proper credit).
That was one of CS Lewis’ arguments from “Mere Christianity”.
That would be C.S. Lewis, the Lord, Liar, or Lunatic argument.