Someone with exteme islamist views could be someone who chatted on a forum. It's such a broad net
You says the society is too tolerant, too soft, because they don't act aggressively enough. I used to think that way, when I was younger, but I came to understand that integration and support is the only true counter.
Read about the efforts of this Denmark city. People don't just switch to extremist views or actions one day, it's like the old "frog in a boiling pot" adage. It's a slow cumulative thing.