You seem to be implying that Chrome OS and B2G are really close, except B2G is missing a couple of things that Chrome has and is therefore "lower tech" or "simp

You seem to be implying that Chrome OS and B2G are really close, except B2G is missing a couple of things that Chrome has and is therefore "lower tech" or "simplified" but they simply have different design goals. Here's a list of APIs that B2G ships with that Chrome has no equivalent: https://wiki.mozilla.org/WebAPI https://wiki.mozilla.org/WebAPI