Suspicious armor sets in throne room

Has any investigation been done into the armor in the throne room?

Every time I draft it I stare at it convinced there's a puzzle there. My reasoning being, out of the 6 sets of armor 5 have the shield in their left hand and their sword in their right. The set immediately to the left of the door you always enter through has it the opposite with the sword in its left hand and the shield in its right.

If it's just meant to make the room more symmetrical then why are the other 2 sets on that side of the room not switched as well? Why just the one?

I had thought maybe if you have the shield from the armory when you entered the room something might happen but no change.