"And your stand on free speach is duly noted."
So is your stand on free association.
"If you don't like what someone says, you'd be willing to fire them to try and shut them up."
If someone routinely defames me, am I required to employ them?
I don't intend to shut you up. I just intend to quit employing you, assuming that I do.
Go work for someone else. And, perhaps, you should refrain from insulting and defaming your next employer.
Don't behave in a treasonous fashion and perhaps you won't be offended by discussions of treason.