With original-build openers this age, the failure isn't usually sudden. It's a motor that hums but doesn't lift, a remote that works half the time, or a unit that reverses partway up for no clear reason. Some owners notice the light isn't coming on anymore, or the door stutters on the way down. All of that points to a motor and control board that have logged two decades of Gold Canyon's heat cycles - hot attic space above the garage in summer, then a cold snap at night, over and over, for 20 years.
That thermal cycling is hard on old capacitors and gear housings even when the door hardware itself still looks fine. An opener can fail while the springs and track are perfectly serviceable, which is why we check the opener on its own terms rather than assuming it's tied to whatever else is wrong with the door.