Like, even if we spot every single WW2 fighter planes the ability to trade blows on better than even grounds with TIE Fighters, there's really no reason why TIE Fighters would ever need to engage in dogfights with planes that wouldn't be able to be alerted, scrambled, and get within targeting range in the time it took the SW forces to have arrived at their target, blasted it at their leisure, then be on the other side of the planet to either return home (where they would be protected by the Star Destroyer's force fields, or go to yet another target.