Operator still has a lot to do with it.
Example. My dad has a tractor with HST (Kubota L 4600), a friend co worker of mine has Kioti DK 35se HST.
They have been using tractors for years and do OK with loader work.
I have a shuttle DK 35, but I have thousands of hours experience doing loader work and fine grading with skid steers.(run them nearly every day a my job)
If my dad or my co worker with there HST had a pile of gravel to be spread and leveled nice and smooth near a building, I have no doubt that I could take that same pile and have it smoothed and leveled and be in eating a sandwich be for they could be finished even though they have HST.