Speaking with some amount of experience working with people on that team: his role at Google is precisely what you see him doing here—deprecating insecure funda

Speaking with some amount of experience working with people on that team: his role at Google is precisely what you see him doing here—deprecating insecure fundamental components of the web. A proposal like this wouldn't have been approved for public release if the rest of the Chromium security team didn't see merit to it. Everyone keeps calling him "some guy." Mike West is attached to a number of similar RFCs. That all being said, I wouldn't immediately discount the idea even if it only turns out to be a research exercise.