In a way, it makes the franchise unique. Yes, every team and their grandmother has used the current rules to their advantage but no team with the standing of the Dodgers has used it to such an extreme.
The strategy keeps fresh arms in the bullpen and the rotation, prospects filtering up and down through the system and injured players off the roster for as long as necessary with practically no burden.
However, movement of such intensity can also be dangerous.
By shuffling the roster and the lineup so much, consistent playing time is harder to come by and long breaks typically result in poor play.