"""The OP isn't saying "let's not offend anybody." She's asking conference speakers and organizers to maintain a minimal level of professionalism and respect as is standard in pretty much any other industry."""

So basically make it as boring as an insurance convention...

So not being sexist makes an industry boring? Maybe we need to throw in some racism and make things even more edgy!

What slides from the presentation were sexist?

"So not being sexist makes an industry boring?"

No, but being self-important and all-too-cautious and "professional" makes it.

I doubt neuroscience conference sessions these kinds of problems. There might be sexists, especially among older faculty. But they probably have the good judgement to not put it in their talks.