As well, the article may have been saying that the company is stressful because they are dealing with reddit, and the article claims that reddit as a site is racist/sexist and that the admins trying to prevent it are getting backlash that is making them leave.

And/or that this is a problem generally in tech.

This is all just implied in the article which is why you're not stating it outright. The author doesn't really say if this is happening. The author can't really know if this is happening. The leaving of employess and the way she sees the site are written in close proximity as though they're related, but she can't really show that they're related unless they told her why they left.

She doesn't have enough quotes from enough people who left to show a trend. Since many of them may not have worked directly on the Reddit website, I can't really see a direct correlation between the atmosphere of the website and the atmosphere of the workplace. The one Linkedin resume I saw didn't show any oversight on the Reddit site on it. It was mostly administrative duties related. (I was a little surprised that the author of the article linked to someone's resume. It seemed a bit invasive to me. But since I clicked on it, I read it.)