I don't understand the whole fuss: It is clear that bastard and longsword are currently better, and I don't think weaboos whould be punished or being weaboos.
Add +2 more points to cutting and most will agree it is OK. It remains short, but fast, and with +2 more points to cut deadly weapon.
Or, reduce its price for another three or so thousands, so that it is cheaper than longsword. But, I would prefer first option, especially having in mind that ninjas usually don't have enough PS for decent damage.