Because you don't believe in the principles of freedom and equality that our nation is founded on. You believe in selective rights for people you agree with.
Apparently you have a problem with that.
I dont have a problem with copyleft itself, it is a valid license. But even if I did have a problem with a license I support the copyrights holder to license it within the limits of what contract law allows.
/s/copyrights holder/copyright holders/
Well if you want to support every leftist nutcase out there based on their right to be leftist nutcases, that’s your right. I don’t support leftist nutcases though, sorry. My right, of course.