> but there are still mechanisms

No, there aren't.

> where something could go out the cooling stacks and deliver something harmful downwind.

This is beyond ridiculous. EVERYTHING in nuclear power plants, that can feasibly be a vector for a radiation leak, is heavily monitored. And radiation leaks into the coolant loops is the most obvious thing.

> we know now that non-ionizing radiation causes cellular heating

At levels that are not achievable outside a microwave.