At first glance, I thought this was some humor post about an object with a name made by randomly mashing keys...
And there's plenty of cool about this project, from the reusable kingsize lego-like blocks used to strengthen the dike, to the meandering river for fish passing throuh the dike. There's also a VR video.
They need to get out to sea to make a journey to make offspring. That offspring sometimes gets caught in France on the way back, where it is grown and sold in the Netherlands. Fishing results from IJsselmeer can also be found in shops but they are not easy to catch anymore. I would think, for statistic reasons, the caught eels in France might be more sustainable than catching grown eels in the IJsselmeer. The real solution is to work out better sluices and pump stations, so fish can pass again.