I don't really know if I see them as either, I guess I don't think about it as much. I generally hold the same beliefs as they do, and as you seem to, but I'm more the person to laugh at things instead of get angry.
What's become clear to me, as much as I love the likes of Ben Goldacre, is that there's almost an evangelical-like zeal to converting the masses of people who put their faith in ignorant things. Now Goldacre demystifies bunk, which is good as a counterpoint and very necessary in a society that's easily duped by people citing so-called "facts" without understanding or interpreting their context properly.
But it crosses the line into the angry/evangelical territory when it becomes a crusade to convert the heathens who wish to believe in fairy dust, Santa Claus, homeopathy, and chupacabra. It's not enough that they have made that knowledge and rationality their own life's guidance... they will not be satisfied until they walk up to every gullible dolt and pop their belief balloons.
Some people need to believe in fairy tales. They need to believe that Michael Jackson didn't molest children or that Kim Kardashian's wedding was real. They need to believe in homeopathy or gluten-free diets, because it's what gets them out of bed in the morning and they've got little left to run on but the placebo effect. But there are those who just aren't satisfied until they rub everyone's faces in their illogic -- that think a utopian world is one where everyone has the same rational thought processes as themselves.
It can be as evangelical as any traditionally recognized religion.
