Usually, password managing software are used for creating and entering such passwords.
The classic trick with such nonsensical passwords is to use a phrase as mnemonic. "I replied to Garbage on Hacker News on the ninth of January" becomes "IrtGoHNotnoJ".
Looks more like banging on a keyboard to me. Perhaps this user just lets his browser store it and has it emailed to him if he forgets it.
I have passwords longer than that that I've memorized the hard way.