No, it's a valid point..
There are passages where the Jews are told to kill men, women and children.. even the animals of their enemy.
In the hands of a skilled propagandist that kind of thing can be used to incite hatred. That's why you see these guy's hitching their cart to Islam's horse.
Repeating the violent stuff only makes their point for them.
Their sermon is being delivered in absentia and credibility is being given to Osama's claim that all of Islam is being targeted by "the infidels" In short: You are carrying Osama's water on this.