I don't understand why this matters? In every transaction, there is a buyer and a seller. Even if Columbia divests, someone else is buying in. The bigger impac

I don't understand why this matters? In every transaction, there is a buyer and a seller. Even if Columbia divests, someone else is buying in. The bigger impact is if no one buys newly issued equity. The biggest impact is stopping them from collecting revenue, i.e. stopping the government from having privately run, for-profit prisons.