In theory they are but most "Look what we can do with JavaScript now!" posts are quickly followed by "only works correctly in Chrome Canary" or "only works correctly in latest Firefox nightly".
And the original worked pretty nicely in the most used operating system in the world (Windows), when it was released. But pointing this out just proves my original point that the openness of web standards isn't all that it is cracked up to be.
The code is pretty much open (even commented and well organized) and It can fairly easy be changed to SVG to support pretty much every modern browser. Open enough for me.