By this logic, Osama bin Laden did nothing wrong. Sure he inspired young men to join the movement, he gave them direct orders to perform acts of terrorism ... but blaming the speech in whole or in part removes agency from those who choose to react in a negative way.

> One may hear or read words that provoke them to violence

At least you acknowledge that words can lead to violence. If such violence occurs, we will certainly blame both the perpetrator and the person who incited them. But the most effective way of stopping such violence isn't catching perpetrators after the fact, it's preventing the incitement in the first place.