Just for clarity, you CAN be rerouted into the 6 “Golden” X-days (days off), but it’s way down the coverage ladder, and the company must make every reasonable attempt to find someone else for that reroute. But it’s not inviolable.
The true value in Golden X-days come from automatic release at noon if not already used on last day of reserve going into a Golden day. It also makes Short Call on said day very short in duration, if not unusable for SC.