[Subfallen]

[ QUOTE ]
[ QUOTE ]
He has accurate criticisms of basically every philosophical system that predated him.

[/ QUOTE ]
Could you please direct me to his accurate criticisms of British empiricism?

[/ QUOTE ]

Why, you're still fond of systematic metaphysics? How cute!

[ QUOTE ]
[ QUOTE ]
Nobody really thought the way he did before him

[/ QUOTE ]
Sure they did. Insanity wasn't THAT rare.

[/ QUOTE ]

Yes, yes. He was, of course, insane his entire life.

[ QUOTE ]
[ QUOTE ]
He's also arguably the most significant philosopher since Descartes (and it's hard to name a more significant one since him)

[/ QUOTE ]
You had better be quite good at argument. Perhaps you meant to say "Apart from David Hume, he's also arguably...".
You'll have to work hard to get in the top 5. If I get political philosophers, he isn't making the top ten.

[/ QUOTE ]

Nietzsche was predominantly a philosopher of morality and meaning. His only ideas (will to power, eternal recurrence) that could be construed as "systematic" in the Western tradition were neither his best nor particularly consistent with his larger ethos. That's probably why you're unable to grasp his significance.