What you’re calling radioactive waste is a marketing term. In nuclear power it’s referred to as unspent fuel. We’re just getting to the point in our nuclear power technology to be able to use the rest of the “radioactive waste”. It’s why we don’t bury and seal off the storage sites. It’s still fissionable material with the right technology.
Batman? Instead of helping with his massive wealth he goes around beating people up who do petty theft.