This isn't even an original question, it is asked daily (sometimes twice/thrice daily) on the FB book groups.
It is pure snobbery and ableist. You will have the pedants going "aha but...", but on forums like this, we are not talking about the science of the brain and how the written word is interpreted differently to the audio, it is about the enjoyment of books and stories. I sure the hell am not going to tell a blind person they are not allowed to join in the those discussion, or any other person whose disability means they access reading through Audio.
The same going for people being sniffy about e-books. People pile in with "oh no, I must turn a page to be reading" - fine for them, but don't be so dismissive of other people, FFS.
And @HuckfromScandal this has irrationally enraged me too.
And while I am at it, what do you mean "count"? - who is counting? The Book Police? Do you think someone is checking.
This section of MN is easily one of the nicest places on the internet. We have nice cosy chats about books. Please keep it that way, and stop with the judgey "I am better than you" implications of the post.