dpb wrote:

Other than possibly minimizing vandalism and the very rare chance of a
thrown rock or the like damaging the stem can't think of any. Altho
I've had some that the hanger would only allow the rim to sit that way
as the centering portion was too high for the recess otherwise.

On my F150, I would have to go with a longer center bolt. I'm not sure if
the nut assembly would interfere but I don't think so.