The jeeper was right.
Taken from another site:
"Disconnecting your Jeep's front sway bar links will allow your front axle a greater amount of articulation or flex on the trail. The more your axle can articulate, the more you can keep your tires on the ground even in severely uneven terrain and this will provide greater stability and traction."
And . . .
"Sway bar link quick disconnects are aftermarket links designed to make disconnecting and reconnecting your front sway bar links easier and faster."
an example of aftermarket links. Some folks make homemade ones too, like these