Gmail Ending? Google Starts Migrating Users

I really hope not. I like Inbox and I use it every day, but for example today I've had two emails that spoofed my address. The only way I was able to see the headers was to go back to GMail because "Show Original" is not included in Inbox - quite a few features aren't.

If they did it might be the beginning of the end for me using Google for mail.