I remember an English teacher when I was at school talking about how he was teaching Beowulf to A level students and that it was very difficult for him as well not just the students.

People who need to or want to out of personal interest, just like it should be with cursive.

Pretty much only scholars. JRR Tolkien did, for example. The Rohirrim in the LOTR trilogy basically speak a form of Mercian Old English, if I recall correctly.