Hi Sylvan,
Yeah, it's really just a matter of preference for me. For example, right now I'm recording a Marshall with a 57 on the grill and an R84 about 18 inches away. It'd be really nice to route those to a track that sits right next to the tracks the clips are on and then put FX on that track. Now, functionally this isn't any different at all from routing those to a bus (and possibly bouncing), I just like the look and organization of it being right next to the tracks instead of in the bus section. From there I would take each of the multi-mic'd destination guitar tracks (because of course there's more than one guitar part) and route them all to a "E.Git" bus in the bus section. Same theory could apply to top and bottom snare mics, inside/outside kick mics etc.
I think the right idea here is to have buses and tracks go to the current mixer sections by default, but then allow them to be moved. That way folks who like things as-is aren't disrupted at all, but if you want to move things you can.
In any case, I think you're correct from a purely functional standpoint...you can do this stuff with busses currently, it's just a look/feel thing.
Dean