Ducati usually suggest this for a couple of reasons.
1. yes to give the engine a bit of a chance to "run in"
2. It is because of emission laws, they can't seel a bike new with a free flowing exhaust, even though they will
kindly fit it for you at first service usually for a fee.
What Matty said.
Had the same thing told to me by my dealer.
And they go on 1 week tomoz. Yeaaahaaaaa