I'm convinced they do this nonsense every so often in order create cohesion. Right now you have the bern-outs and the billery-bots throwing their hate at one another. So one or more of them decides to start a thread pointing the finger at someone they can all commonly hate. Group hate helps smooth over some of their internal hate.
Note what they all have in common is hate.
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Remember too that just a week ago they were certain everything was within their grasp.
A nutcase shot up a PP building and they just knew that the country was going to demand everything considered conservative be exterminated and the glorious socialist utopia would be ushered in.
Now reality has hit,we are under terrorist threat despite Obungles trying to pretend it doesn`t exist.
On top of that he yawned and punted once again when confronted with it.
Deep down they know they are a true lunatic fringe and things like this prove it but they will never accept it.
Stupid is their only outlet for the rage and it has been showing.