I understand you mean it as a joke, but unironically, it's among the most widely deployed sandboxes in the world, which actually would make it a worthy contender if not for the resource requirements, complexity, and the upgrade treadmill.
But if you need something that is genuinely secure and actually works, you'll find it's not actually that complex and the upgrade treadmill does not exist - on linux it is up to you if you upgrade headless chrome though obviously a good idea from a security perspective.
