Given that there were only 210 total swear words, the accuracy of this seems pretty questionable. It's possible that one guy could be responsible for a large percentage of swearing for a given language.
It's code comments vs. commit messages, but the prevalence of profanity in the Linux kernel tree suggests developers' use of blue speech is pretty widespread.
> It's possible that one guy could be responsible for a large percentage of swearing for a given language.