As in past games, Smash Ultimate stales your moves the more you use them. This also applies to most throws. The more a certain throw is used, the shorter the distance the opponent will be thrown.
However, Smash Ultimate has introduced a new type of throw: a bury-throw. This will cause the opponent to become buried when thrown. For example, King K. Rool and R.O.B.'s down throws will do this:
Since there's no actual trajectory to shorten when thrown, how does move-staling work with bury-throws? Does the bury time lessen as the throw stales? Or does staling not affect the throw at all?