Both can be dangerous. However, provocation unnecessarily provokes violent people. There is a difference between criticizing terrorism and actively provoking terrorists which is why academics and policymakers who criticize terrorists are different from people who burn Korans. I'm sorry that you can't see the difference.
"It ain't what they call you, it's what you answer to." - W. C. Fields
Having a right to do something is different from it being right to do something. I have a right to do a lot of things you would find disgusting. That doesn't mean I should do them. Understand?