There are all these risks from drawing the attention of hostile civilizations. I haven’t thought about what the risk and benefits are there. It feels like that came up in Precipice too, but I could be mixing something up.
Yes, Ord discusses that in Chapter 5. Here’s one relevant passage that I happened to have in my notes:
The extra-terrestrial risk that looms largest in popular culture is conflict with a spacefaring alien civilization. [...] perhaps more public discussion should be had before we engage in active SETI (sending powerful signals to attract the attention of distant aliens). And even passive SETI (listening for their messages) could hold dangers, as the message could be designed to entrap us. These dangers are small, but poorly understood and not yet well managed.
Yes, Ord discusses that in Chapter 5. Here’s one relevant passage that I happened to have in my notes:
(Note that, perhaps contrary to what “before we engage in active SETI” might imply, I believe humanity is already engaging in some active SETI.)