Because vatniks are vatniks....
Your credit you might celebrate in Russia....maybe in Donbas....in best case...
Most people don't understand that sheer quantity of vital war materials the US and UK provided the the USSR.
Over 1/3rd of all explosive materials came from the United States. More than half of their aviation fuel. More than half of their aluminum. 80% of all their copper. Tens of thousands of radios.
More than a 3rd of their vehicles were through lend lease. Tens of thousands of Katyusha rocket launchers used American trucks as a chassis. Over 2000 trains and exponentially more train cars were provided which without they simply would not have been able to move forces around their own country, let alone conduct any assaults. 30,000+ metal lathes and other factory equipment. Millions of tons of food and medical supplies. Fucking 15 million pairs of boots.
Without America and UK they would have been walking barefoot to Siberia before being exterminated. Instead they were able to march to Berlin with boots on their feet in American jeeps and train cars.
If there was no lend lease the Russians would have had to fight the Nazis with half the ammunition, half the aircraft, 1/3rd less vehicles and an 1800s logistics network.
Soviet Marshal Georgy Zhukov saying in a KGB recording of a private conversation 1963: "People say that the allies didn't help us. But it cannot be denied that the Americans sent us materiel without which we could not have formed our reserves or continued the war. The Americans provided vital explosives and gunpowder. And how much steel! Could we really have set up the production of our tanks without American steel? And now they are saying that we had plenty of everything on our own."
Russian historian Boris Sokolov
"In a hypothetical battle one-on-one between the U.S.S.R and Germany, without the help of Lend-Lease and without the diversion of significant forces of the Luftwaffe and the German Navy and the diversion of more than one-quarter of its land forces in the fight against Britain and the United States, Stalin could hardly have beaten Hitler.
It should be remembered that during World War I, the transportation crisis in Russia in 1916-17 that did a lot to facilitate the February Revolution [which lead to the abdication of the tsar] was caused by a shortage in the production of railway rails, engines, and freight cars because industrial production had been diverted to munitions. During World War II, only the supplies brought in by Lend-Lease prevented the paralysis of rail transport in the Soviet Union.
The Lend-Lease program also sent tons of factory equipment and machine tools to the Soviet Union, including more than 38,000 lathes and other metal-working tools. Such machines were of higher quality than analogues produced in the Soviet Union, which made a significant contribution to boosting Soviet industrial production.
In order to really assess the significance of Lend-Lease for the Soviet victory, you only have to imagine how the Soviet Union would have had to fight if there had been no Lend-Lease aid. Without Lend-Lease, the Red Army would not have had about one-third of its ammunition, half of its aircraft, or half of its tanks. In addition, there would have been constant shortages of transportation and fuel. The railroads would have periodically come to a halt. And Soviet forces would have been much more poorly coordinated with a constant lack of radio equipment. And they would have been perpetually hungry without American canned meat and fats."