It works in as much as we have the chance to reply and amend our comments if they are taken differently than intended. The same problems exist for phone calls a

It works in as much as we have the chance to reply and amend our comments if they are taken differently than intended. The same problems exist for phone calls and email as well but it doesn't stop people from figuring out ways to communicate wry or witty comments, it just changes the conventions that are used.