Well this is not about winning or losing, this is about Ukrainian sapping Russian strength and morale and in wait for a certain insurgency. As I said before, even with those blunder, there are virtually no way Ukraine can win a war with Russia when they are next door. (I believe I said 80% Russia will win on day 7, the probability to win is 80% when I said it on day 7, not80% they will win on day 7)
The question now is how demoralise Russian troop is going to be when they win, this factor dictate the tempo of the coming insurgency. The key is going to be how Ukrainian don't want to be Russian, the more they bomb and the more the Russia engage and attack in Civilian sector, the more they are pulling away from Russian.