I think Prager is making one mistake here. Sexually desiring someone is not the same thing as “objectifying” someone. A normal heterosexual man can sexually desire a woman he’s never seen (say a woman he’s only talked to over the phone or corresponded with). Being attracted to someone or desiring someone is not the same thing as objectifying someone.
When a man becomes aroused by looking at a magazine centerfold or watching a stripper perform its because he’s attracted to her body parts, not her personality because at that moment he has no idea what that personality is. Have you never been asked “Are you a boob man of a leg man?” That by definition is objectification. It’s how a man rolls but many are afraid to admit it in today’s PC culture.