It is possible to diagnose a host of diseases by online behaviors.
Since we have ubiquitous, universal surveillance, a data aggregator or end user can see (for example} anon made a trip to the drugstore, purchased an anti histamine.
Examination of anons' retina via the uncovered camera on his laptop can confirm the existence of and differentiate between 1000s of pathological processes.
With 'real time' or live data aggregation of individual users and groups it is trivial to monitor, identify and isolate group characteristics for targeting.
By controlling individual and group data feeds an ill disposed entity or organization can engineer individual and collective experiences with negative implications for personal and collective autonomy.
In essence this has happened. The cult controls the data feeds of most human beings via MSM and 'Big Tech' entities.
We the People may aspire to freedom but without a secure networking system which protects anonymity and at the same time offers assured identity, our desire for freedom will, as it must, remain 'aspirational.'