Gmaxwell's roadmap for increasing the network capacity has good consensus and is the most logical way forward. Solutions for the long-term will gradually become more apparent as it approaches but a better solution is always only 1 lightbulb moment away. Discounting human ingenuity in favour of mediocre workarounds will doom you to losing money.
They've had YEARS to get a lightbulb moment. It's like waiting for economically viable fusion reactors. It's not just a technical issue. But it's worse than that. It's philosophical and ideological. It's expecting two guys who by your own admission have incentives to not do their goddamn jobs--who both have effective veto power--to come up with a solution that will ruin their side businesses.
The market had a chance to adopt an implementation that supported big blocks and it didn't so clearly there's a couple of holes in your logic.