Well, this is another preconception a lot of people have that isn't quite true.
We don't see a lot of archers go strength build, but a PD archer is quite powerful and can 1 shot an opponent... even with the current nerf.
A strength based archer with 8 PD, a longbow, and bodkin arrows can in fact 1 hit an opponent. Here is the math
(Bow damage + Arrow Damage) * (Power Draw Bonus) * ( Weapon prof damage bonus) * ( Speed Bonus) = Raw damage output
(((30+7) * (1 + 0.96) * (1 + ((150 / 200) * .015)) * (1 + 0.10)) + (24 - 14)) = 90.669435
Using the example we placed in the other thread of an opponent decently armored in Heraldic Mail with surcoat (chest armor 40) we get our final damage calculated as such
maximum remaining damage = potential damage - 0.5 * armor value * soak factor (formula courtesy of Urist)
Cutting Damage carries a soak factor of 0.8, unless this has been changed by the development team for c-rpg.
91-.05*40*.8=75
Given most characters have less than 70 life, this shot would be fatal.
The rate of fire is significantly slower, but the potential range and projectile speed is much greater. The only reason we don't see this more is because people just haven't figured it out yet.
Let me preface my response by saying: I do not think throwing lances are OP. They are good, yes. But they should be. They are the highest tier, highest cost, lowest ammo throwing weapon. I think they are fine as is.
In response to your arguement that bows can one-shot, however, I have to disagree. I just retired a 10 pd archer with 134 wpf in bows, and I couldn't one-shot ANYONE except peasants with no armor. Even black lamellar vests took 2 shots, regardless of target's build, at point blank range with a non-heirloomed longbow/bodkins.
I tested this extensively on the duel server with multiple willing people, using both high and low strength builds, at point blank range.I tried this build because I came up with the same math that you did, thinking that a 10 pd archer would be able to one-shot a lot of people. However, it simply doesn't happen that way. For some reason, the damage calculation is WAY off. I was typically doing slightly more than half of my target's HP in damage.
Comparing the damage to that of a 6pd archer with high prof, the 6pd archer does almost the same damage as the 10pd build for some reason, and can usually kill the same person in 2 shots. So the extra damage from the 10pd build is actually wasted most of the time, since it ultimately works out to be 2 shots for either build, the difference being that the 6pd build has a much faster rate of fire, lower draw time, and higher accuracy.
The only advantage to the 10pd build, imo, is that the 10pd build will pretty much ALWAYS kill with a headshot, whereas the 6pd build may not if the target has high strength and 50+ head armor.