She also made a penis joke of herself on twitter at the same conference, about intentional making a TSA agents uncomfortable due the presentation of sexuality.

https://twitter.com/adriarichards/status/312265091791847425

And the employer she represents considers an off colour 'photocopying your genitals' visual joke as apropriate for intern jobs page.

http://i.imgur.com/uWc8P39.png

These things have to be judged in relation to the environment in which they are made.