The fact that you say this makes him a VERY good plant. The perfect plant speaks just enough truth that he gains the trust of those he is disparaging. That gets him embedded like a tick on a host - it further helps that some conservatives will actual defend him giving even more ammo to the left by way of more punching bags. "Look at all these people that agree with "crazy Alex Jones" it's the same way with FoxNews. Build up a loyal following so you can lead them off a cliff when they need you the most.