While jorgea seems to be a spambot (based on other posts), this topic is a valid thing to discuss.
Also we have
another topic for religion.
It is good that you condemn violence.
As for the post, I think it is somewhat misleading, though, while well-intended.
I sunni muslims could basically copy the message and just swap the sects. It's a bit of a no true Scotsman fallacy to say that only people who believe exactly like you can represent Islam.
Also, while most muslims may not believe in these parts, The Quran does contain a
somewhat big amount of not-really-good-stuff. Those who do can't really be said not to represent Islam - they probably believe just as powerfully to represent the religion in the only true way, but read the book differently.
Also, Saudi Arabia hardly better than Iran, but it is a sunni islamic country with a sunni islamic government.
Smjjames: There's still violence between Catholics and Protestants in Northern Ireland (Bloody Sunday, for example). Possibly in some poor countries too, but I'm not sure.