I think instead of negativity it is just having someone to get things off your chest and speak how you think with out having to cause problems in family and friends that will last for ever. We are always saying we are here for each other does that mean we are for each other as long as it is what we want to hear. Woman need something or someone to use as a sounding board someone to bounce things off of to see if the way they feel is unusual or normal. And because this is a hobby that is mostly consisting of women it is a good place to vent and feel better. If you see a post that is negative and you do not wish to pertispate then don't read it go to one that you do want to read and comment on.
Some people have no one else to vent to as they are handicapped and shut in or not in a community that they can find friends easily. You know just maybe with a kind word or suggestion you may turn someones terrible day or exxperience around. JMOP