Earlier quoted context omitted.
People do still write it, for fun: https://ang.wikipedia.org/wiki/Heafodtramet Here's a more fluent reading, if you like: https://www.youtube.com/watch?v=7CpKlEiahtI Enjoy it, don't enjoy it, hop in your time machine and go back to the 9th century to enjoy it; whatever floats your boat. Personally, I enjoy it, "pretentious" or not.
And can you claim to have Sprachgefühl for 900s English and be able to feel the difference between a poetic phrasing an an ordinary phrasing in that language?
PS, 9th century is from 801-900 CE. Might want to set the dial correctly when you hop in that time machine to get some Sprachgefühl.