They hire thousands of people to support a system based on human-produced content delivered in the right time threshold to be worth paying for.
Now ChatGPT is a lower-risk way (less likely to be caught) for students to do that.
What happens to Chegg? Cheggs marketing team? The k thousand people hired at companies that Chegg pays such as SaaS?
It's these kind of knock-on use cases where jobs go quickly. Not the ones where it helps existing efficiency (I think it can freeze hiring because of that, though, especially on greenfield projects for developers where it does help greatly)
For 1 hour of min wage gpt 3.5 can handle about 2718750 words