Isn't it just so like Humans to fight over the consolidation of power? Humans truly are what will lead to their own end.
Thanks for the TL
Eh. There are more humans in RL than there have been ever before, vastly more so. This is despite many destructive wars.
What happened to the King Felt's folks in this series' backstory, after the king's death, is a different thing. It's because they had undeserved power they couldn't handle. They basically could only function as a society as long as the king was around, but after the king was gone, it all collapsed to the natural state, which was ruins, unfortunately. It's the natural state because the people weren't societally, culturally, educationally, and generally speaking mentally ready for the power they had been granted externally by king Felt.
It, kind of, reminds me of the early decades of foreign aid to pre-industrialised countries after the WW2. Old industrialised countries sent modern equipment, such as top of the line farm tractors, to these countries to boost their agriculture. However, the developing countries lacked all infrastructure and know-how to maintain all that equipment. And so they drove the tractors until the first critical component was broken. After that the tractors only collected rust and the farmers moved back to horses and oxen. In the industrialised countries a farmer would fix or have the tractor fixed, naturally, but that wasn't an option in the developing country. Since then the forms of foreign aid have changed.
Those geezers could now actually start to develop Hatohara naturally toward glory, step by step, since they have reached the bottom, which is the natural state, but they seem to have given up and become afraid of themselves.