yep... other factors do matter in determining the length of the war, whether the manufacturing base can be defended / get the raw materials it needs, etc. The enigma machine is estimated to have reduced WWII by a few years.

but there's really no winning when the enemy can put more planes, tanks, guns, boats and troops than you by a large factor, if they are even somewhat competent at using them.

Same goes for logistics, which is an extension to your point:

https://walton.uark.edu/clc/posts/when-supply-chain-is-the-b...