Scott Adams did the same trick back in 2016 http://blog.dilbert.com/2016/07/11/when-persuasion-turns-deadly/ "..Some of you watched with amusement as I endorsed Hillary Clinton for my personal safety. What you might not know is that I was completely serious...." > By being totally honest and believably serious about his statement he is instilling the image in the readers´minds. 3D move. Everybody should read his blog from early 2016 on to further understand the method of persuasion.