Glad they named and shamed. I would't do any business with this company, nor attempt to work for them.
A RIF has nothing to do with a person's performance .. at least officially. One has to assume it was a business decision only, not performance based, although with a large reduction it seems improbable that the people left would be, now or in the past, under-performers. More than likely, the person being laid off was due to their salary being high, and their function being covered by someone else. Nothing more complicated than that.