People seem to misunderstand the idea of a "Free Country"
It’s not acceptable for a stranger to enter your house take the food from your fridge, light a fire on your table cook and eat your food, take a dump on your sofa and leave... Freedom means they are free to do that in their own house.
In the same way, if you build a community of like minded people to discuss the merits and the shortcomings of equipment relating to a common interest, you are not respecting someones freedom by allowing them to enter the group for no other reason than to cause disruption and annoyance to genuine members. There is no obligation to open your doors to anyone you do not wish to invite in. Their freedom is that they are free to go and start their own community and discuss the failure of equipment they have never heard or owned.