It’s a matter of scale. Even before they became larger than the largest single nation on Earth, Facebook used to get in the news for stories like “1000 people show up to birthday party after teen accidentally forgets privacy settings”. Hacker News can #ahem# slashdot servers it links to, so it’s not exactly small, but it’s still peanuts compared to Facebook.

Just as software engineering practices need to change for the big names compared to everyone else, so do social practices.