At a level so superficial as to be almost silly. ..
1) If you have no access to Logic of God, what logic do you use to say the Seat of Wisdom stuff is ridiculous?
2) If the Wisdom of God is foolishness to men and if you hold yourself to be bound to human logic, maybe the ridiculousness is a point in “my side’s” favor.
More seriously, the big juicy problems are What WAS IHS, and what can we know and how can we reason about Godly matters. Is theology possible and how?
Yes in the normal course of things children sit on their mothers’ laps. So we have to ask what it means that this child was God AND that touching just his garment could heal intractable illness.