If they have obtained a complete technical readout of the pants, it's possible--however unlikely--that they will find a weakness... And exploit it.
At the Dagobah cave:
Yoda: Do not take your pants. You will not need them there.
On the Falcon:
Leia: Let go of me.
Han:What are you afraid of?
Leia: Nothing. My Pants are dirty.
Han: My pants are dirty too.