Hello,
We're writing in reference to your Ask Ubuntu account:
https://askubuntu.com/users/1134215/david
We wanted to let you know that we've observed some rudeness in your latest activity. We get it; anyone who's ever tried to engage with others online has probably been tempted to lash out at someone else. This is just a friendly reminder that we require all participants to act in a professional and civil tone when using these sites. If another user has wronged you in some way, please do not respond in kind. Simply flag the content for moderator attention and move on.