I'm personally outraged by people who think it's okay to write emails and chat messages with improper punctuation and spelling mistakes. Mixed case sentences, emojis, and made up capitalized abbreviations make my blood boil. But none of that is grounds for me getting those people terminated.
If I don't want to deal them I can go work somewhere else. That's the right I have. Not the right to silence them.
It's the same if they decide to express their political opinions or sports affiliations.