"Christianity is a peaceful religion"
Tell that to the families of the Oklahoma City bombing, the various terrorist atrocities by the IRA (& the Unionist terrorists) in Northern Ireland, and other parts of the world scarred by CHRISTIAN terrorism.
"According to us God loved us so much while we we're sinners that he sent his perfect son that we might be restored to him. Hatred is never preached anywhere in the word of God"
Not counting what I've just said, your words may have had some credibility, until...:
"You can recall old testament stories where people were killed and nations were wiped out, and every time there was a reason."
And yet, wasn't it in that same Old Testament that God gave Moses the Ten Commandments, one of which was 'Thou shalt not KILL'? Yet, those same Israelites killed & murdered people (even babies, and the unborn no less!), as ordered or authorised by God. To say nothing of the millions murdered by God himself:
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Remember that commandment?: Thou shalt not KILL. Nowhere does it say '...unless I say you can, if there's a city you want, go and butcher it's inhabitants, or if someone looks at your pint, or if you feel like it'. It means what it says: Thou shalt NOT kill. A simple four-word statement that means under NO circumstances are you to take the life of ANYONE. EVER. And that also means God has to be subject to his own moral standards too. Otherwise he's a hypocrite ('Do as I say, not as I do', etc), and therefore he has NO right to be acknowledged as a superior being, or even believed in.
After all, I've never killed anyone in my life. And I never want to. Which therefore means, certainly in moral terms, I'm superior to God. And Atheism/Humanism has superior morals to fundy Christianity.