That doesn't say much about the viability of the technology. Almost all of these reactors are 40+ years old by now. The safety improvement we could get from jus

That doesn't say much about the viability of the technology. Almost all of these reactors are 40+ years old by now. The safety improvement we could get from just iterating on that tech with our current knowledge is huge. Also, meltdowns are bad, but they are accounted for, even in most of those old designs.