+1 Think the Superquadro is plenty fast in stock trim and with EVO rules it'll be right in the hunt.
With WSBK going to EVO rules soon and with cost cutting being one of the main objectives to allow more teams to enter and level the playing field, idk if the V4 will end up only being a MotoGP exclusive design
Quoting Duck's post from the SL thread, the below could be a big factor for usage in WSBK
"A few of my main concerns regarding a V4 would be added girth, increased weight, and the possibility of significantly increased maintenance costs."