Quote Originally Posted by JLStorm
It has a higher rockwell hardness which I believe allows it to obtain a finer (read: sharper) edge, but also means its more brittle as well.
I don't think anyone buys them for the sharpness or the shave. It's strictly for the esoteric value.

It's the same reason I use str8s, for the historical and artistic value of the razor and for the connection to the past.