The writers for the Simpsons forgot that Lisa's tendency to be the girl who dives head first into pointless causes that just harm others and alienates her friends and family was meant to be a negative trait. This is because they began agreeing with her inane causes and missed the point of the satire.
As an Oregonian who has had a close friend die to an overdose
This is strictly because they legalized nearly all drugs, started supplying the paraphernalia to addicts, and stopped prosecuting the dealers of fentanyl
Then, when that blew up in their faces so badly that IT TOOK MY FRIEND and countless others, they quietly backtracked only to reemerge later with this victory lap
They should all be hanged publicly for what they did