AMEN!
And as Christ appealed to the authority of Scripture, He was teaching those around Him and for generations and ages to come how to dispute error and learn the truth. Scripture is perspicacious, and more than capable of turning men from their own sins to the righteousness of Christ, if it is God's will to give them eyes to see and ears to hear.
But as you noted, even when standing "face-to-face" with God Himself, men still deny the obvious.
They've been blinded. There is no other answer.
They’ve been blinded. There is no other answer.
The seeming willful blindness is the most troubling.