I don't think that this depends on the mesh. When people move their head , the movement doesn't use just one or two pivot points. Being able to "roll" the neck is better IMHO, and needs more than just one bone.

Dawn's rig with a pelvis actor and two chests bones isn't something I've seeen around 2003-2005. I talk the rig here, not the topology.

A ship in port is safe; but that is not what ships are built for.
Sail out to sea and do new things.
-"Amazing Grace" Hopper

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