Since you are talking about discriminatory language in general and not in the context of a juror then I would suggest that there is a large body of legal precedent that says differently.
From the hate crime provisions of criminal code, the human rights code, and an abundance of case law in employment cases dealing with a poisoned work environment. There have been many groups that have pressed for and succeeded in having such discriminatory conduct and language made unacceptable not only in law, but also by most people in general social situations.
For myself I would find such a comments made in front of me towards any group (and no I will not list them all) to be unacceptable and would tell the person that their comments are disgusting. Yes, I have done so in the past. Would I rise to the level of violence probably not (unless the comment was directed at my child at which point all bets are off as to what happens).
I would hope acutus that you are not merely being a troll.
I would hope that you are expressing how you feel and that you can think about how such comments effect the lives of others.
It is not that there is one comment, it is that such comments, which appear to you as minor, continue over and over day after day, so that they take a toll on those that hear them.
Consider why you have a need to mock or make fun on anyone.
Why and how is injuring another beneficial to yourself? That is a genuine question that I pose to you.