The scenario above was fictitious, but people need content removed all the time. Here's an article [1] from The Guardian about Pornhub being slow to remove revenge porn and CSAM. And in this thread you'll find a business owner trying to remove a bad faith review.

Yes, you'll need more staff depending on your business' impact on people's lives, regardless if they are "customers" or not. If you have so many complaints you can't pay enough people to deal with it, you should not be in business.

[1] https://www.theguardian.com/commentisfree/2020/dec/16/pornhu...