In the past, you had to adhere to 10 Commandments, then the Constitution was added. Rules and regulations are ubiquitous!
We would not be human if we did no wrong. An apology, when done right, can be transformative for both parties involved.
We live in a developed world. We are not slaves. We are free to say what we want to say. Are we sure about that?
There should be a warning on pens: "Don't write with it on your face, because you might look stupid." Because some people might not know that.