It is a parody holiday which arose from the efforts of one John Baur and one Mark Summers from Albany, Oregon who decided September 19 each year should be the day when everyone in the world talks like a pirate.
So instead of those standard greetings the old time nautical stuff is more appropos to the moment.
My FTP server is about the only thing remotely compliant ... it communicates in the manner of a pirate seeing how I once envisioned myself as the imaginary CEO of Ahoy Matey Software way back when.