You are working with an inaccurate caricature of modern Muslims. 

I can't say I've discussed it in depth with my Muslim friends and acquaintances but from what I see of how they conduct themselves they are very modern in their thinking. 

I can honestly say that I know people of European descent who treat women worse than do some Muslims I know. 

I'm not saying Europeans are worse, I'm saying that you can't make blanket statements as you've done. 

As for the bible being updated, it hasn't really. Since the King James edition it's unchanged. The Old Testament in particular is full of some ridiculously barbaric stuff. What has changed has been interpretation. I'm no expert on Islam but from what I see it's interpretation has evolved too. 

True, there are some very backward sects, but there are backwards Christian sects. 

I think we're all better off if we address Islamic extremism as an issue separate from Islam as a whole. 

Right? Six innocent people just died a couple days ago.