Wrong. I report to Blizzard a violation of what we all agree to when we make an account/play. I don’t actually care about profanity myself, but I’m an adult who has control of my fingers, and when I Agree to conditions on the language I use, I live up to my agreement.
And you misread. I “use” the filter. (More that I lazily never turned it off, but I see strings of symbols rather than the words actually used, even if context makes the words obvious.) I report what was caught by the mature language filter, because: