I think the idea that the White Clads are tapped into the collective unconscious and can sort out humanity's true desire is potentially interesting motivation... but for it to just be Haumea and she can only hear the negative, apparently, so now they (or Charon at least) want to destroy...
While I fully expect the series to gloss over any significant economic problems that his ability would create, I can't shake the unease that comes with him doing something as broken as mass-producing one-of-a-kind, hyper expensive and difficult to make magic items, just so he can sell them.
After hearing about the series ending in 3 chapters, it now make sense why this last arc was such a fucking mess. Poor Paru couldn't decide what mattered and what didn't or figure out how best to pace out all the dangling plot threads that had to be shoved to the side so they could get to the...