The thinking process that is developed as a JW encourages that we are right about our beliefs - biblical & world history, prophecy, science, biblical applications, the universe, the future, etc... And, we had an "it's us against them" judgemental attitude. There are former JW's that have been treated very badly in their congregations and by their family & former friends. Their comments express the anger. And, unfortunatly I think, all too often they become bitter people who are determined to show how they are now right. Sure, we all began to question our beliefs - for different reasons. Some have reacted in anger, argued their points and were disfellowshipped or chose to disassociated themselves. My observation - in the US at least - is that considerable numbers are still "in" but quietly exiting - especially folks between the ages of 20 and 40.
It's a big mental step to just look at this forum. I lurked for some time before becoming a member. If JW.net was full of rage and anger, I would have never returned. Fortunately I found encouragement and practical advice.