Exactly, the entire German gamble of invading Russia was a repeat of their (genius) invasion of France: highly mobile overrunning of tanks combined with lethal Luftwaffe air support.
The problem was entirely the fact the Germans were completely caught off guard by the quality of Russian tanks and anti-tank guns.
The Nazi's should never have invaded Russia, but their baises against the slavs made them feel superior. Likewise in these biases still exist in North American / European accounts of WW2, where Russia's technological and industrial dominance is downplayed.
It makes sense in the context of the Cold War but in 2017 it saddens me this is still up for debate. Although the fact anti-Russian sentiment is still highly politicized in mass media this might be expecting too much from popular culture on my part...
Lend-lease may well have been the most important US contribution to the European theatre, because it helped the USSR to mobile their forces and move them around faster.
And the Russian tanks absolutely did matter. Russia had the best tanks in the early war, and those sufficiently stumped the weaker German tanks to make them rush the overly expensive and inefficient but powerful Tiger into production.
But it was absolutely a case where every bit helped. British intelligence and bombing, taking Italy out of the war, Overlord, it all mattered. But most of the blood was spilled in Russia.