Enjoyable, yes. But, still a bit of work. Entertainment like Harry Potter is more of an escape. A relaxation. I can't explain exactly the difference, but there is.
I understand what you mean. There's a difference between picking up a mystery novel and a serious history book, even though I'm doing both for enjoyment, neither because I have to.
I was just taking issue with the apparent contention that we only read the Bible (pray, attend church) out of duty, not because we like doing it. We like going to church, and we have a great time with the Bible.