Without getting into the politics of the personhood (or lack thereof) of corporations, we can say at least that it's not quite that simple since there have been

Without getting into the politics of the personhood (or lack thereof) of corporations, we can say at least that it's not quite that simple since there have been places (is Sao Paulo one?) that have banned outdoor advertising. That means the representatives of the people there came to a consensus that corporate marketing is not on equal footing with the expression of other ideas.