I watched the video. Personally, I wouldn’t do that to my brother or sister. I would/might do that to someone I didn’t like or had no respect for.
Well a lot of women would not do that but men, most all of them would and have done that to each other. What I meant to convey though was not the grossness of the act but of the familiarity of the act. The two people in that video are like family and one of them is very obviously subservient to the other in my humble opinion. An action like that of Bush is one of a joke to a “buddy or brother.”