Comment by bluGill

The problem is your claim is false in my experience. Every email I've got from the CEO reads more like the second, while all my coworkers write things like the first. Again though I only get communications from the CEO in formal situations where that tone is demanded. I've never seen a coworker write something like the second.

I know what you are trying to say. I agree that for most emails that first tone is better. However when you need to send something to a large audience the second is better.