"a lot of Western armor doesn't work here because it had been created not for an all-out war but for conflicts of low or medium intensity."
Interesting, I wonder which vehicles are they talking about. There are different types of vehicles. Heavier armors, of course, could sustain high intensity conflicts.
Anyhow, glad to see Russian sock puppets on this thread, with not an ounce or iota of knowledge of warfare, simping for Putin again. As people already pointed out, many of these Western vehicles are designed with combined arms working in tandem with air support, artillery and infantry in mind. But Ukraine has no air support because they lack these expensive and more sophisticated airplanes. Despite the limitations of Ukraine, Russia should still realise that Ukraine is the one making more advances than them in the past 18 months since the conflict started. One could argue that, if we are talking about which has the lesser effective and flimsier war machines, it looks like Russia has more of them.