The issue of reactors creating weapons grade materials and the radioactive impact of a plant on the surrounding environment are really 2 totally separate issues. You’re right on both counts, but the way you put them together makes it sound like they’re somehow related.

Also to split some hairs, just because you can’t make a nuke out of radioactive material doesn’t necessarily mean that it can’t be weaponized, you could make dirty bombs out of pretty much anything radioactive, just conventional explosives to scatter radioactive stuff around making it hard to clean up. Pretty sure that spent fuel of any type would probably make for a great dirty bomb if the wrong people were able to get their hands on it.

There are nuclear plants in operation today that do not use or create any fuel that is capable of being weaponized.

And they cost too much. Governments only fund weaponizeable fission.

In fact, coal plants admit much more radiation than a modern nuclear power plant.

Not in a way that can be concentrated and weaponized.