2. Then what is the goal? the way many diversity policies are worded, it is not clear if there is any situation where success would be declared. This leads to many people feeling that they have in fact been bending over backwards to achieve diversity, but get called sexist pigs over and over again because gender balance didn't automatically happen.
4. So what? discrimination at conservative companies doesn't justify discrimination at liberal ones.
I pointed out #4 to illustrate that his claim of a pervasive trend of Conservative persecution wasn't consistent with the state of affairs in the United States.
I disagree with your premise; termination for political activity on-the-job is easily justifiable. I doubt you want to hear non-stop tirades from a PETA activist coworker.
I think your criticism of #2 is facile; which policies in particular are vague? Every corporate anti-discrimination policy I've ever encountered was essentially "don't discriminate against people in a way that will get us in trouble with the Feds."
4. So what? discrimination at conservative companies doesn't justify discrimination at liberal ones.