I don't think Louis C.K. is funny. That's the worst that can be said about a comedian. Not that they're offensive or outrageous. Great comics can offend and outrage people. But a comic who dares to be offensive, but isn't funny, is just a lout.
Louis C.K., who has been on NPR many times, and often extolled as edgy and unafraid, apologized in late 2017 for sexual misconduct with women.
"There is nothing about this that I forgive myself for," he said then. "I will now step back and take a long time to listen."