Having said all that, and thinking about the context here, that is to say:
1. Andy is a prodct designer looking for the Next Great Idea.
*and*
2. TalkBass, like virtually every online guitar and bass forum site, tends to be dominated by older dudes.
And I would then say:
3. Consider that future players are not past players, and Millennial and younger generations are facing a completely different world than older GenXers like myself did, or Jones Generation and older Baby Boomers did.
That ligher weight rigs are the current trend is not an accident. I think Mesa's Subway line is perfect. I think Darkglass is a force to be reckoned with in the current market. I think tc electronic is making some great products in their RH and RS pro lines.
Pedals are big now in a way that they weren't in the 90s (again, see Darkglass). With the excellent current crop of cabinet simulators, like the DSM Noisemaker OmniCabSim Deluxe, or the digital impulse response loaders, a lot of players are opting for a "fly rig" style of pedalboard, and my next project is building one, myself.
Do we really see much possibility of younger players reverting to the back-breaking rigs of yesteryear?