For me I can read fine in my dreams, but if I become the tiniest bit lucid I realize that it doesn’t actually say what I thought it said, it’s just gibberish. Also my brain will sometimes go “The thing you thought it said makes no sense. It’d make a lot more sense if it said this.” Then the words change and I go “Oh, my mistake.”
Also about reading words. I’ve read plenty of stuff in my dreams. The problem is that the words aren’t stable. Like they change when you look away.
For me I can read fine in my dreams, but if I become the tiniest bit lucid I realize that it doesn’t actually say what I thought it said, it’s just gibberish. Also my brain will sometimes go “The thing you thought it said makes no sense. It’d make a lot more sense if it said this.” Then the words change and I go “Oh, my mistake.”