I disagree. I think in the absence of that point, it would have been hard to say this:

> It doesn't look intentional (look at that fourth category!)

But also, I think special treatment for trusted actors is a completely appropriate way to handle email delivery, and I also think it's appropriate for gmail to trust themselves to be sending legitimate mail. Blocking their own email makes them look totally incompetent. They absolutely should whitelist themselves. And they should have a way for you to be whitelisted too, if you want to send email.