Earlier quoted context omitted.
Because it remains unresolved and is one of the biggest social problems faced by the industry that 90% of HN readers are (or aspire to be) in.
How is this a problem not faced by any other industry in the world? I have never seen evidence that shows that IT industry people are any more sexist than people in any other field. So someone goes to a conference and there was a slide with something inappropriate on it. That means one asshole was immature and unprofessional enough to publicly shoot himself in the foot. It doesn't mean there are aren't plenty of othe…
Go to a few conferences that aren't directly IT-related and see how often that happens. In my experience - and I'm prepared to be proven wrong on this - it pretty much well only happens at IT-related conferences.