I guess prighozin was lying about the losses he has been taken
You fell for it did you? It was obvious deception to fool idiots like you into pouring more resources into the meatgrinder that the Russians make of every place they are operating. The US estimate was the Russians would run out the logistics needed to keep up the artillery bombardments. We misunderstimated how many shells they had stockpile and how many they can produce through their primitive manufacturing methods.