While I think this is more a shot across the bow of Windows Phone (no support for cardDav and calDav, and no GMail app from Google), I don't think iOS users get

While I think this is more a shot across the bow of Windows Phone (no support for cardDav and calDav, and no GMail app from Google), I don't think iOS users get away scott-free either. I was under the impression that GMail uses their own version of IMAP? The built in iOS mail client does not provide push e-mail via IMAP but instead uses P-IMAP for push e-mail via iCloud.