Their industry has been slowly decaying over the years and can’t adequately supply Ukraine in a long, drawn out conflict without jeopardizing their own defense. The amount of equipment Ukraine received at the first few months of the conflict was staggering, but most of it was from stockpiles built over years. Russia ramped up their industry a lot during the war and is outproducing the west, so it’s no wonder they are winning.
True, but they wouldn’t have changed the course of the war.