Recently read the book "SuperIntelligence" and found it fascinating as it delves into how AI could be catastrophic and what measures we could take to avoid that

Recently read the book "SuperIntelligence" and found it fascinating as it delves into how AI could be catastrophic and what measures we could take to avoid that scenario. Could you give some examples as to how Facebook could do it much before AI? Can it be of the same degree of severity as potential damage that AI could lead to ?