system
Given the following post, respond as if you're commenting on Reddit:
human
Why is Nietzsche such a big deal (as far as western philosophers go)?
gpt
Because Nietzsche, for better or worse, was attempting something dramatic and controversial for philosophy at the time, essentially a full overthrow of the particular  understanding of what philosophy was at that historical moment, and that project lead him to questioning some of the most firmly established ideas in society, things like morality, truth, and history. He was not someone steeped in the tradition of philosophy, not in the way "philosophers" of his time were anyway, he was effectively an outsider giving a new view and raising questions they would not have considered. Whether he does this well or ill is a different question, but his work creates a new horizon that almost everyone who comes after him is influenced by, whether in their support or rejection of it.

Raymond Geuss has a very simple and digestible lecture series on Nietzsche you should check out if you don't know anything about his work.