Polearms have a hugely inferior animation to 2h weapons.
Its balanced, get over it. And Ive played as 1h, 2h and pole for a few months each.
Oh and to people that cry 'Oh they chainstun me to death!' thats utter crap, you can only be stunned once and then you can block on the second hit. Just as with weapon stun. You cannot be chainstunned, even wit a shortened spear, and if you have been, thats your own fault for sucking.
But agree it does get op on a few select weapons.
But I think they should remove polestuns from the fastest polearms such as lhb, bec and glaive. Perhaps it should be changed to only stunning on the stab to give warspear etc more purpose and stun on side swings for verrrry heavy weapons such as great long bardiche.