[JRTJH]

The stabilizers are not designed to support the trailer weight but only to stabilize the trailer during use. If you "crank them down" and lose air pressure in a tire or two during the months in storage, as the trailer gets lower to the ground it can damage the stabilizers, destroy them or on lightweight trailers, possibly twist the frame causing permanent damage.

Of course, if you prefer to have the trailer "stabilized during storage" so you can reduce the weight on the tires, then "jack it up" and put blocks or appropriately sized jacks/jack stands under it..... Just don't rely on the stabilizers to do a job they aren't rated to do.