What are we supposed to take away from those links? The latter isn't even written from the perspective of Microsoft, it's just another generic {Open/Web}GL rant (if anything, you've granted MS legitimacy here by acknowledging other legitimate complaints about the spec).
Yes, I was annoyed when they boldly claimed they wouldn't be supporting it at all. I'm also gracious enough to say "Thanks" when handed a gift. The IE team is clearly making an effort.
My takeaway is simple, just exposing the BS from Microsoft's original stance wrt OpenGL. One thing is saying "WebGL is right now hard to secure because current OpenGL drivers are buggy, or IE's sandboxing tech is not good enough, whatever". A different thing is, "WebGL is fundamentally flawed, will never work, IE will not and should not support it ever".
Of course the same people are already changing the discourse and claiming that _now_ WebGL is safe, and IE11's WebGL will have the upper hand in security because MS controls the whole stack, etc.
This doesn't mean I don't appreciate the change, I'm really happy that IE11 is apparently going to be an awesome improvement (over IE10 which is already pretty good, even if dated).
Shaming link 2: http://www.extremetech.com/computing/87696-webgl-is-fundamen...