The time period is part of it, but I think the physicality matters too. You can debate gold's inherent value as you can with bitcoin, but you can't argue that i

The time period is part of it, but I think the physicality matters too. You can debate gold's inherent value as you can with bitcoin, but you can't argue that it's not even a thing that exists. You also can't create more of it - which some would argue you can't with bitcoin either, but all it would take is consensus. Plus one could argue that other coins are equivalent goods.