I think in-game parchments need higher character counts from the outset. I'm sure there's a good reason for them being there that I'm unaware of, but the 1024 character limit is stifling, especially if you are writing documents that need to be distributed ICly either for rules purposes, or for flavor purposes, that corresponds to a forum post.
In some cases, you're forced to just write, 'Haha go to the forum link, SIKE!' instead of an actual message, but with the item placed IG for legal reasons. Being able to actually write books, have them printed and sold would be hella dope, and make for cool angles for book collectors that doesn't require a DM to make a custom item.