I'd bet the collapse of every society at every time in recorded history was preceded by the decline of morals. The normalizing of what were once considered perversions. If I look back into the recent past, the concept moral relativism ("Hey, don't judge!") has slowly ramped up to where we are now -

https://duckduckgo.com/?q=california+assembly+pedophile&ia=web

Would further bet that the instigators of these acts all have a (((common root))).

/noticing