It seems like 90% of the 1-star reviews aren't complaining that there's something wrong or defective with the addon, they're just OFFENDED by its existence.
Here's a suggestion: Don't use it if it offends you that badly!! This doesn't affect you in anyway or form so just piss off. Some people have stuff like this on family computer so kids are less exposed to swear words, or someone is streaming/recording and afraid they'll be demonized.
For the record, it works fine and I personally find it funny.