Why Are Big Tech CEOs Writing Long Manifestos About AI?

This week Meta CEO Mark Zuckerberg published a 6,500 word open letter titled "The Future is for Everyone".
But the BBC is more interested in why big tech executives keep writing manifestos about AI:
[Zuckerberg's] vision echoes what AI leaders have expressed in various forms: the product they are building is among the "most important technologies in history." Marc Andreessen, co-founder of early web titan Netscape, perhaps started this trend in 2023 with a 5,000-word essay he called "The Techno-