To be fair, the odds that our ancestors will have figured out how to "solve" radioactive waste seems much slimmer than that our ancestors will be digging in the

To be fair, the odds that our ancestors will have figured out how to "solve" radioactive waste seems much slimmer than that our ancestors will be digging in the remains of our civilization for scraps to survive. In that case, this is really about taking the bare minimum responsibility to our distant progeny by warning them of the danger.