4% is pretty much a common all baseline setting. The 0.7% is for tree huggers and keeping them happy. The 4% richens things up a bit and the Ducati like their fuel.
Tbh, the PC probably suits road bikes more in that it's the low speed response that can be tweaked. Race/track bikes really need any low down civiality and as the top end fuels quite well, it needs less work.
Basically, to answer your question......Do you have a problem?? If not, save your cash for fuel, beer and curry and enjoy the bike
I've tried all sorts of parts and add ons without really seeing any benefit, other than just having them on the bike. If there's an issue with the fuelling, then a PC will probably cure it. I'd get it set up first though