Free speech, anyone?
In the United States, at least, the U.S. Supreme Court matter of National Socialist Party of America v. Village of Skokie, 432 U.S. 43 (1977) shows that while the Court protected procedural rights, it appears to have "split the baby" on speech rights of the appellants (the ACLU defended the Nazis and by doing so, expanded what free-speech expressions mean), but didn't prohibit such speech, falling short of doing so. Still, it remains largely a looming influence in First Amendment controversies.
Of course, private-property owners like businesses can and should restrict speech rights as needed to create the work enironment the businesses choose to enjoy.