You're comparing completely incomparable tasks. JWZ did nothing but write a thin wrapper. The committee didn't omit such a wrapper because they couldn't accomplish it, they ommitted it as a deliberate design decision.
Exactly. Forcing every embedded device that wants to do portable 3D to include megabytes of wrappers for over a decade of cruft wasn't worth it, when the alternative is people having to spend a few days' time if they can't find a suitable shim already written somewhere.
