Make sure ya don't loose your head. Blind as a bat are we here. 1.6 billion muslims in the world and Islam doesn't exist. You need to come out of your sandbox please or whatever utopian world you are stuck in. Make some contact.
Its pretty natural if they don't care, if they did, they wouldn't be where they are in terms of religion now. Heaven is also fiction .... don't worry about it. Hey! BTW which religion do you follow?
really? that is your argument to prove that Islam existed before Mohammad came in the scene? get of whatever you're on