I'm not really sure about the whole 1h situation to be honest after this thread, I made the post just to ask what people thought about the pick, but now people are talking about buffing stabs.
You included comparisons to other 1h weapons in your post. Why they are "damn effective compared to all other weapons," then put in comparisons to the blunt weapons and the cut+stabweapons.
Basically, the knockdown helps make up for the slight differences in damage/speed. Blunt pretty much = pierce, but the blunt weapons have slightly worse stats in general. Even so, many of the blunt weapons are still pretty fast, and they're heavy so they don't get stunned. In comparison to the blunt/pierce weapons, the other 1hs are still a bit weak, so a little more discussion about what to change for them was included.
Right now, steel pick is still favorable compared to the other 1hs even against cloth. The high tier cut 1hs should have more favorable base damage to be more effective than the pick against low armor.
I would not mind a buff on many of the cut weapons, +2 cut and +1/+2 pierce on the stab depending on the weapon. I feel that high tier fully loomed 1h should reach non-loomed longsword or katana levels. The blunt weapons should be made more similar to their pierce counterparts, too, although they are some of the best knockdown weapons.
Overhead takes a lot more practice nowadays, and isn't very reliable in a 1v1 against an agi build.