Great post, Ken. I agree.This has been on AZ hundreds of times.
But to me importance of hit works from the tip back.
Tip
Ferrelle
Shaft taper / Shaft
Joint type / Pin
As far as a full splice verses a short splice, IMO, makes little to no difference.
So while the OP wanted to discuss the importance of a ivory joint, I think, the ivory, micarta, LBM or whatever, ferrelle is MUCH more important.
Ken
My current custom (Dave Jones) player is currently configured with a..
G2 Medium tip,
old Micarta ferrule,
a Timeless Timber shaft (tapered to 12.4 mm),
a flat-faced ivory joint,
and with a brass radial pin.
It hits and plays beautifully.