I can't figure out if you are writing tounge-in-cheek / as satire or not.
If it is "fine to discriminate against bigots and bullies"
then once I label you a bigot and/or a bully it's fine to discriminate against you.
That is the kind of karma that leads to mutual destruction and encourages more bigotry and bullying.
FYI: There is some level of evidence our political beliefs are heavily influenced by certain mental tendencies which are based on biology. Political beliefs, especially political tendencies are likely to be in roughly the same class as sexual and gender expression.
Thus, political belief, sexual expression and skin color are related.
And why do you say it's worth a read? If you can't take the effort to explain why then it's probably a better use of my time to read something else. By the way, that comment applies to quite a few of posts.