The evidence is in your first post. What do you think an insult is? A fact? No, it's an opinion, a hurtful opinion, voiced publicly with little to no regard for others.
"Oh and Italian people have the most annoying voices and language I have ever heard."
So you've heard every Italian's voice in the whole world, I suppose, that's what your message implies.
"No, but seriously, I find the Italian language to be a revolting, irritating one."
You're either very ignorant, or very naive, if you believe that's a harmless opinion. I'll take a moment though, to do what your parents should have done, and teach you some manners. Don't like a language? This is how you state such, "I don't feel for the Italian language, it just isn't for me." Voila, not too difficult, is it?
I'm extremely offended by your insensitive remarks, the horrible words you've used to describe my mother tongue are unacceptable. I can understand why there would be so many complaints about you, you're incredibly arrogant and laughably small minded.