I am curious if the same things are uncomfortable for everyone. Some of the episodes I disliked the most didn't even have the most gruesome things but seemed to be just a couple of logical leaps from real events.
I wholly agree on your second point. I watched 10 O'clock Tonight, Weekly Wipe as well as read his columns, and while he's really cynical, I think Charlie Brooker is brilliant and does have a real eye for seeing the world today and imagining what kind of horrors can spring from that.