The professor amply demonstrates the validity of his thesis by singling out the right as his sole examples of the phenomenon. He clearly cannot see the left is just as bad, or he does and elects not to use them as examples.

But he is correct. The SJW's are not open to reason - a quick visit to youtube provides ample evidence. They are not interested in hearing evidence that conflicts with what they want to believe.
Right of centre people need to wake up and realize this. The SJW's are not suddenly going to see the light just because you talk to them calmly and with facts and logic martialed to support your arguments. And they are not going to stop unless action is take to stop them.