[mlyle]

1. Expecting current political and economic structures etc to remain for thousands of years is silly, so we do need a more permanent solution to a long-term problem.

2. Keeping lots of nuclear waste in spent fuel pools just increases the risk picture unnecessarily.

[vimy]

If society collapses a small uninhabitable region is the least of our problems.

[mlyle]

If there's a regional instability for a year or two and spent fuel pools boil off and then waste melts through, possibly poisoning the groundwater for that region, that's a big problem.