You're right, Jesus being male is secondary to His taking on human nature as whole. No argument on that point. Still, the fact that it's secondary doesn't change the fact that it's tremendously significant!

I'll cut to the chase. If ordained ministry were simply a question of suitability to accomplish tasks you would be entirely correct. Women can preach, counsel, run parishes, recite words in sacramental texts, wear vestments, advocate, encounter, bring the Gospel to people, etc. etc.  just as well as men.

That is NOT though what the heart of ordained ministry is! Ordained ministry is at root the making present of Christ "in persona", the same male Christ who continually referred to Himself as the "bridegroom" a specifically nuptial/male role that simply is not conveyed with a female acting as ordained minister.

Read Inter Insigniores 5-6. It's quality and deserves more attention than a comment thread.