Yes, this I agree with. I'm a cub scouter so haven't had to deal with this yet, but yes, it seems quite wasteful and/or muddling the leadership roles. I'm expecting that this will become obvious as this goes on and someone at National will say "this is dumb, let's just all scout together."
It's also possible that what I see right around me will create on the ground pressure in the same direction. We have some tight-knit AOL, Webelos, and Bear dens in our pack that are talking about all picking the same troop to join. One AOL felt very strongly about a particular one, and so all of our AOL