One could argue the societal harm from social media could be directly linked to mass events such as https://www.wired.com/story/how-facebooks-rise-fueled-chaos-..., https://www.sciencedirect.com/science/article/abs/pii/S00142..., and more.

The diffuse nature of the after effects of faang engineers actions make them harder to prosecute, but potentially much more devastating than even the tragedy of two airline crashes.