You learn timing on the road. You learn structure and how to read an audience. You learn so much about the business of laughter that you can't learn on a set because it's all on you. Sometimes you bomb and you know not to tell that joke again... You just hope people find the humor in the awkwardness.
Imagine a judicial nominee said 'my experience as a white man makes me better than a Latina woman.' Wouldn't they have to withdraw? New racism is no better than old racism.