Indeed. Every trial to replace "standards" is called "evil". From this perspective, the web platform is far from open. The result is we all are in a local optimum trap. I already gave up expecting cool future and decided to stick to the native development for a while (for a decade or more).
BTW, as a game developer, it would be nice if this rendering latency issue will be fixed soon.
- http://phoboslab.org/log/2012/06/measuring-input-lag-in-brow...
- https://code.google.com/p/chromium/issues/detail?id=168459
I think this response time issue is a real show-stopper than JavaScript performance.