re: Watching Empire Strikes Back last night

They don't use imperial walkers for fast transit, they use them to destroy things and because they are well protected inside. I'd imagine Luke was one of the first pilots to ever figure out a major weekness and how to exploit it, similar to how Phillip II of Macedonia being one of the first men to figure out how to exploit and use the chariot system of the Persians against them.

But I think you're intentionally bringing up extremely minor things just to troll people. I mean why watch any action/sci fi movie if you really do ask those kinds of questions? I mean yeah Die Hard and Mission Impossible movies are unrealistic compared to other action films but that's why I don't take them too seriously, but I still enjoy them very much as very good and entertaining action movies.