The Ukrainians are pretty good at smashing the Russian logistics, but I get the impression the Russians aren't equally good at smashing the Ukrainian logistics. However, the west has created a logistical nightmare for the Ukrainians, but despite that. The Ukrainians are really good at making the logistical mess to work. I think that is what we can learn from this war.
The Ukrainians aren't telling if the Russians are messing up their logistical chains, but they seem to prefer to hit playgrounds, shopping malls, restaurants, or any other civilian locations. The Ukrainians can achieve a lot if they can ruin the Russian logistics and make them unable to continue the fight.