So the first nuke power reactor went live in 1951. In the 72 years since then, in what meaningful ways has "Nuclear tech" improved? It's not cheaper to build.

So the first nuke power reactor went live in 1951. In the 72 years since then, in what meaningful ways has "Nuclear tech" improved? It's not cheaper to build. It's not cheaper to operate. It's not cheaper to dispose of the waste. It's not cheaper to decommission. It's not faster to build. ?