The Muslim population as a whole are exactly as I described, innocent of any crime or involvement

That is how I and everyone else here describes them.
We agree.
Good.
despite your sneering attempts to implicate them via their culture.

No-one has done that.
Not knowing anything about it myself, I came to accept what people like Jasmin Alibhai-Brown and other insiders say about it.

Those who go on foreign Jihad are fighting for their religion.
They fight unbelievers.
One of the Woolwich suspects had tried to fight with Al Shabab in Somalia, and now wants to be known as Mujaheid Abu Hamza.
Mujaheid means one who fights for Islam.