In the "Well, why wouldn't you comment on a woman's pregnancy when evaluating her for a job?" sense.
There are certainly overt, aggressive, predatory stories included. But the bulk are things I can see being said in social or professional company.
Or as Colleague B puts it: "When asked for a paragraph, my first reaction was that I didn’t have the sort of big bombshell stories being looked for."
Borderline, casual sexism is important to vocally fight too.
Perhaps. Ideally. Eventually. But in a choose-your-battles context, borderline casual cases are fodder for contrarian denialists to minimize the over-the-line serious cases.
Focus on vocally fighting the most important or most fixable problem first, to make progress.
Can you imagine how stressed and miserable you’d be, how untrusting and isolated, if your every interaction carried significant and unknown risk of turning out as described in the article? How many of the self-styled introverts here would be able to get out of bed after the hundredth time someone they thought was a colleague or a friend acted as described in the article?
What you’re saying was said to black people during civil rights, and women trying to get the vote. What you miss is the pervasive and cumulative effect of casual, constant shit, peppered with outright abuse.
I think the problem is that this stuff can be very hard to detect. If there's even the slightest chance of negative repercussions then the few responsible will stop talking.