Without getting in the middle of anything:
The establishment is not going to change any time soon. For 1/10 racing, what we have works and it IS the way it IS.
I think arguing about whether higher voltage is better... is wasted breath. It doesn't matter for the mainstream hobby, racing or bashing.
IF we could start over from scratch and re-invent the hobby... then yes we could argue about voltage and it would make sense to change things: higher voltage and smaller lighter motors... I think we would be running 380 size motors for 1/10 for example because they would provide plenty of power. We wouldn't need the bigger 540 that we did with the crappy batteries and motors from 20 years ago.
What we could talk about is the direction and future of 1/8 type electrics. That (1/8 high voltage) might someday trickle down to the 1/10 stuff.... but let's not get carried away thinking we will see 24 or 36v systems become the standard. At least not in 1/10...