Corporate personhood is used to shield people from persecution for things they'd be persecuted for doing as private individuals. If there was no corporate liability shield, every single drug company employee involved in knowingly marketing and distributing harmful opiates could potentially be sued; no longer could people use "I was just following orders" as an excuse.

Sue the owners of corporations when they break laws. That’s my alternative vision. Why did no board members of major tobacco companies have to face the consequences of their actions when they knowingly falsely advertised their product? Take away corporate personhood and make the owners face the music.