Notice what this surah does not do. It does not insult anybody. It does not call anyone names or tell the Muslims to be mean.
It simply says: you have your way, and I have mine. Clear as daylight, and completely polite.
That is your example. If a friend asks you to do something you know is wrong, you do not need to be rude or shout. You can smile and say, "No thank you, I do not do that" — and still be their friend.