Good god.
Let be break it down for you.
When Osama did that, and murdered women and children, he stopped being an instrument for Islam.
Did that help you?
Osama Bin Laden stopped being a Jihadist the first time a woman or child was killed. The Quran is quite clear about this. I do not understand your point.
A national paradigm shift has occurred. The wingers are painfully aware that they have been rebuked. So, they retreat into their enclaves and lick their wounds.
In a way, it is indeed sad to hang on to an outmoded ideology.
1. Muslims of the same sect do not prefer to challenge their brethren.
2. a. Yes.
2. b. Yes. In Islam it is forbidden to kill women or children in Jihad. Anyone who does this is not a Muslim.