Furio that is nonsense, not about how important air forces and bombers were for helping (not winning on their own) ground combat but how capturing planes on the ground can be in any way a measure of winning an air war.
Equipemnt loss plays a role but in your examples what worth is it for the Red Army (or the Western armies0 to capture empty LW planes? Planes that were already useless through lack of fuel and trained pilots. The same for the German Army in 1941, most Russian planes were destroyed on the ground, others could not get supplies because of interdiction of their supply. The most important though was lack of trained experienced pilots.
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