and at the end there is a bolded, loud statement that it was funded by Exxon-Mobile, that tends to mute the message or even make it counter-productive.
What would happen is that you'd have all sorts of shell organizations and trusts set up so the statement at the end would be "brought to you by citizens concerned for the safety of America" or crap like that. Nobody would know or care who was behind the adds on all but the most controversial subjects.
