This plant caused the French company who helped building it, to go bankrupt. Gen 3 nuclear plants looks very expensive to build then. However these kind of plants do not produce any side-product which is good for producing bombs or other radioactive weapon. They have no military support then (and maybe neither government?), compared to gen 2.
https://www.wiseinternational.org/nuclear-monitor/818/french-nuclear-giant-areva-melts-down
Its LCOE would probably let us forget it forever. Just think about this: I bet you hear more rumors about non-existant fusion nuclear plants than about olkilioto. Let’s focus on renewables.