I don't know, the presenter didn't say. Although the fact that these were presented as examples of behaviors not to engage in, is telling. Also even if they don't bring a lawsuit, the fact that they make an issue out of these kinds of things is not conducive to a good work environment.
Of course I wasn't there. But it occurs to me that there are several reasons why "marginal" examples might actually be the most useful:
I'd put the examples you give in the category of (not typical e...
I remember seeing a talk of the concept of privilege show up in the discussion thread on contrarian views.
Some discussion got started from "Feminism is a good thing. Privilege is real."
This is an article that presents some of those ideas in a way that might be approachable for LW.
http://curt-rice.com/quotas-microaggression-and-meritocracy/
One of the ideas I take out of this is that these issues can be examined as the result of unconscious cognitive bias. IE sexism isn't the result of any conscious thought, but can be the result as a failure mode where we don't rationality correctly in these social situations.
Of course a broad view of these issues exist, and many people have different ways of looking at these issues, but I think it would be good to focus on the case presented in this article rather than your other associations.