From the burning of catholics and protestants across medieval europe, to killing of muslim non believers to catholics killing off various south and central american peoples, to most every religion (not heard of it with buddhists) it seems very much a case of join us, or we will kill you

This is common to all the Abrahamic religions and is typically hypocritical. In other parts of the Q'uran it says to welcome all people of the book as 'brothers'.
No mythology is internally consistent!

Religion has been responsible for more murder and torture than any other cause for conflict

Not limited to Islam. This attitude exists it many religions by the most fundamental of their believers. Your disdain for religions is well grounded.

If they believe this let them put their sins on the apostate and drive him off into the wilderness. They did this with a goat before Jesus came along.

Yeah, I definitely would stand with you on that one.