America’s incarceration rate is in decline

One more thing to throw into the mix. The treatment of ADHD might be helping:

"ADHD medication still reduces risks, but benefits have weakened over time"

https://jamanetwork.com/journals/jamapsychiatry/fullarticle/...

I once asked myself, "What did people with ADHD as severe as mine do before there was medication?"

The obvious answer was: drugs. People like me used to do a lot of drugs.