The United Citizens Supreme Court ruling not only elevated corporations to personhood and gave them full rights, it set in motion a process whereby individuals are deprived of those rights. Government is superseded by corporations as the determiner of rights and responsibilities.
Slate tells the story:
Disclosure of contributors to political campaigns, and campaign advertisements, used to be an unobjectionable proposition. Now, resisting it is a matter of highest principle. Bruce Josten, executive vice president for government affairs for the United States Chamber of Commerce, told Jake Tapper, "We're under no obligation, as any organization or association in the United States is, to divulge who its members are, who its contributors are." Why? Explained Josten: "We're not going to subject our contributors to harassment, to intimidation, and to threats and to invasions of privacy at their houses and at their places of business, which is what has happened every time there's been disclosure here."
Also this: Return of the secret donors