They're the same as much as "1 + 1 = 2" and "2 + 0 = 2" is the same. The result might be the same ("any" and "unknown" accepting any type) but again, the intent

They're the same as much as "1 + 1 = 2" and "2 + 0 = 2" is the same. The result might be the same ("any" and "unknown" accepting any type) but again, the intent is different (a value we know can be anything vs a value we don't know what type it'll have).