Rhetorically Fun metaphor and point about discourse not causing killings

The speaker uses a metaphor to illustrate that if hypocrisy were helium, almost everyone would have funny voices and some would float away. They highlight the hypocrisy in reactions to the Gabbie Giffords shooting, where the right was accused of inciting violence through their rhetoric. However, the shooter was proven to be mentally ill, debunking the idea that political discourse caused the incident. The key point made is that blaming discourse for violent acts is denounced by the right and has been consistently refuted over the years.