I'm not sure how well Dave understood the issue of path selection scaling at
the time he proposed it - it was very early on, '78 or so - since we didn't
understand path selection then as well as we do now. IIRC, I think he was
mostly was interested in it as a way to avoid having to have an asssignment
authority. The attraction for me was that it was easier to ensure that the
names had the needed topological aspect.