I know this was bugged on the live server about 2 months ago, when some friends and I found it.
*shakes head*
I can't believe you guys didn't know that was the #1 cause of the breaking benches? You don't even have to use /loadlo, if you sit at a bench and change even 1 ability in your loadout it's likely to break the bench. At least you can get it fixed now.
*crosses fingers*
-Jilted