How is atheism different from all the religions of the world, and my understanding. Why do you think its right?

semantics. Dawkins also says that many people argue what God actually means, so if you call nature God, sure, God exists. but to say that something works so well it has to have been created by a designer is short sighted and lazy. there are many things that aren't intelligently designed. and to simply give up looking for an explanation and just saying "its magic" is...well, common actually