Earlier quoted context omitted.
Never? Even the whole "corporations are people too" meme where this sentiment presumably originated from is often misunderstood. It doesn't mean corporations have the same rights as people, it just means they can conduct transactions and can sue/be used. It doesn't mean they can vote.
It also allows them to be sued. I suppose we could have other mechanisms to sue companies but this is what we’ve come up with.
"Corporate personhood" is a legal concept where how person-like a corporation is can be defined in whichever way is convenient to how we want the law to operate.