It's a fair point. I'd say it's helpful if you for some reason have an extended period away from the language and still want to remember it. Also, when you're

It's a fair point. I'd say it's helpful if you for some reason have an extended period away from the language and still want to remember it. Also, when you're just starting out it's helpful, you've got the information collected in one place and won't need to hunt it down via google.