I think a lot of times we don't pay enough attention to people with a positive attitude because we assume they are naive or stupid or unschooled.
Now, for pure bloggers, for individual people who are just posting their own thoughts, they would still run the same risk of saying something wrong or embarrassing, but they wouldn't harm their institutions by doing so.
I'm done with effects movies for now. When you do a movie like 'Transformers,' it can feel like you're doing three movies at once - which is tiring.