I think it’s because Wesley, in his trenchcoat, mask, and hat, is the platonic ideal of the “mystery man” movement that defined the early pulpy Golden Age. His death marks the end of the first era of heroes as we move to the future.
confession I’ve never watched smallville, but i was thinking of Stargirl, but my point on raising the stakes still stands, his death proves exs threat/villain what have is dangerous