I'll stop you. Ukraine and Russia had parity with Russia only having 1.5-2 times the advantage. Very much similar or even less than what Pakistan and India had in 65. Also this is a new battlefield, plus wars like these push for ever considering this is the first new era war where specialized equipment is only built in hundreds not thousands or tens of thousands. Again not the main point, the drones and trench made it difficult for any breakthrough. Not to mention intelligence and bad strategy. Along with Russian objective, was it to deter Ukraine from attacking more? Conquering land? Push the lines till a stalemate for negotiation? Now after 3 years of fighting the Russian have finally understand what they want. Hence why it would be different from the previous 3 years. Not to mention the manpower diminish in Ukraine, the manpower ratio is bad for Ukriane. Almost 1:1.2-1.5 at best over the course of the war which is horrendous as Russia is advancing. Right now Russian have done some great maneuvers and have flanked many of the major stronghold. Also Russians have exploited all breakthroughs, this isn't HOI4, a single breakthrough doesn't mean you stream roll the Frontline. It is incremental, like Vuhledar where Russians advance quickly towards Prokrovsk. Like it took them only a month to reach the outskirts and then required nearly a year to finally take control so yeah, they do exploit just that mechanized pushes are far slower. Hence why the war feel so slow, Russians are winning but it doesn't feel like it cause the war is more WW1 trench warfare rather than WW2 blitzkrieg.