Ahlus Sunnah give credit where credit where credit is due.
First of all, how do you know he's a Muslim? You didn't happen to get this information from the "media," did you? What brand of logic are you using that you believe what the media says about his...
Checking if I am falling into extremism by writing him off as I really dont want to listen to him. Is that allowed?
Yes. Why wouldn't you?
Can we apply this to Suhaib Webb?