I'm seeing only one odd thing there.
(And it is indeed odd!)
But it's a problem either with WS's measuring and/or reporting, not the metric.

Meanwhile, out of curiosity, I quickly tested two...

I had the caveat of "many" skiers in my statement.
But turning it around, why do so many Tech bindings -- and also alpine downhill bindings -- have so much heel>toe delta that hurts the skiing of...

This is now mixing up two different yet related measurements:

For any particular skier's setup, yes, what matters is the angle of the boot, which in turn is a function of the pin delta, bsl, ski...

Wild Snow also has all those same models in the mid teens for pin delta.
I bought my LDPE sheets years ago from SmallParts.com but I don't know the best source now that they got bought out.

Heel>Toe pin delta is in the mid-teens for Radical 1.0, Radical 2.0, Vertical, Speed Turn, Speed Radical:
http://skimo.co/pin-heights

B&D shims (and longer screws) available here:...