If you have to spend points in xbow wpf your...
A: Blind B: Stupid C: Trying to shoot people from across the map
DING! WINNAR! AKA: Actually shooting at
RANGE. Not shotgunning, which every ranged weapon can do with 1 wpf (barring the stupid artificial "You can't use this due to low wpf" messages/mechanics). My archer was just as capable of shotgunning at close range as an x-bowman is with 1 wpf.
This isn't the same thing as actually using your ranged weapon like a ranged weapon.
hit people from medium (maybe) to close range
The reticule at 1 wpf is more then enough once u gotten used to it...
Sure, if the ONLY thing you plan to do is shotgun. Again though, you can shotgun with anything. Just like you can rape face with 1 wpf in any melee weapon too, and easier than with a ranged weapon.
If you actually plan to snipe and I dunno, PLAY
RANGED then you will want a solid investment in wpf in order to actually hit people from range and more so if you plan on sniping (the most challenging method of ranged play given the slow projectile speeds and arc drops)