Unless they're saving it for an eastern tradition skill line where it is more staff than western style pike/polearm. In such a case they could combine it with staff fighting and make the various types
I don't see why everyone is so up in arms about adding new weapons. They don't have to be separate skill lines. They could just be different versions of a skill line (like Axe and Dagger are different
And I would want both a "Polearm" skill tree (which might as well 'borrow' half its animations from the templaes "Aedric Spear" skill line) for wielding pikes, halberds, glaives, spetums, tridents, et
Historically, many spears were wielded in one hand with a shield. This proved to be very effective because it offered a reach advantage, along with protection if/when one got past the spearhead.