Not _one_ homogenous group.
Several ones.
Now obviously you are free to do as you like, you are the ultimate judge here. And nobody have to accept harrasments.
I just want to point out that, if you remove yourself from a group that does not share your opinion on a topic, you make that group a little more homogeneous.
Repeat this several times and we will create several homogenous groups in anger with the rest of the world, easy to manipulate and control.
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