Even then it would be bad. It doesn't matter if you deal 1000 or 1050 damage: 4 Attacks will be enough to decrease the LP to 0.
The only reason to use this skill I can imagine is the following: You have a deck that can easily deal either 3950 damage with 2 monsters or 3900 with 3 monsters. So, this skill would turn it into an OTK deck. But even then Beatdown / The tie that binds would be better