It can mess with other views/lists on the site. Like a series list might only have one version of the book listed and it'll show the book as unread for you whi

It can mess with other views/lists on the site. Like a series list might only have one version of the book listed and it'll show the book as unread for you which can be really confusing when you've read 1000+ books and you're checking if you completed something or where you dropped it.