Earlier quoted context omitted.
The thing that's missing here is the email _client_ story. I really like Google's Inbox and there's no amount of money I can pay anyone else for a similar experience.
Honest question: do you think you really like it or are you really used to it? When Google made the move to Inbox, I switched because I wanted to be using their newest interface. Over time I came to absolutely hate it and that drove me away from Gmail. My wife still uses it so I occasionally find myself in the Inbox app on our tablet. Just a few days ago, actually, I read something in her inbox and for the life of me…
It works really well as a 'TODO' list for email, plus with niceties for travel and what not.