We are on an Islamicboard talking about Islam, if you wish to insult Islam go somewhere else and it will be written on your record for the Day of Judgement, a day you wish you did not stand with the wrongdoers. So what you decide to do with your time in this test is up to.
I think you've missed my point - I think it's pretty clear that people insulting each others' beliefs is pointless and does nothing to help anyone get on. I mean that if you say that it's ok to insult some beliefs, can you complain then if someone insults your belief?
There are very few places that are populated with people who all believe the same thing. The world is only going to get more diverse. With this in mind, I think that mutual respect is the only option for society to be harmonious.