Great question. I think the bigger societal effects of deflation and decentralization.

Maybe even what happens with harnessing power off planet or travel off planet (and the effect of spacetime on the blockchain).

For me, immediate concerns like NGU or finding a forgotten stack are less interesting.

There are so many what-ifs!

potential issues that have no solution yet and need people who can't see the problem to see and start thinking of solutions... among other things