Part of me wants to see all the new advancements, but I also hate it when it ruins an otherwise good spectacle or personal ride.
We also saw it with e-shifting in road, but that seems to have largely been solved. So, perhaps any problems that should arise with this could be shaken out in a couple of seasons too? </fence>
Maybe there is a market for racing and events where you're only allowed steel-framed, canti brakes, SiS index shift monstrosities? Like one of those sub-$1k car rallies or something.