I need to RTFA, but this sounds like it might have relations to Peter Turchin's work on cliodynamics.
So much so, that I doubt the authenticity and accuracy of the information that presented.
I felt like it read a little more like a paranoid fringe article.
I mean "Siren" in this case is named for the seductive nature of the power of the servers (greek myth reference) as opposed to a "warning siren" sounding the alarm of unrest.
It gets worse, rambling on about the danger (and inevitability) if/when this power falls into the hands of corporate america.
Cliche
Oh well.
Jaron Lanier coined the term. He's not entirely dismissable, but also not exactly tightly tuned to the heartbeat of the intel community AFAIU.
If it has not clicked for you then advertising network is a behaviour control mechanism.
/s
The question is not in this. The question is in the scale of the operation and actual spread of the influence.