While neat in a "because we can" kind of sense, it really is maddening: Have we gone "compute-mad" and will end up needing a full-fledged VM to render ever-smaller subsets of UI or content until ... what?
What is the end game here?
It is kind of like a "fractal" attack surface, with increasing surface the "deeper" one looks into it. It is nightmarish from that perspective ...