Possibly. It would be a big impact to have achieved in a very short time. I’m sure he has made a difference, but I think it’s more likely that it has coincided with having Marler (and Sinckler) back and a few of the newer players settling in.
As others have said, I think there are some more encouraging signs and I’m a lot happier with the way we’ve played in our last 3 games rather than the previous 3. Onwards and upwards.