No idea, but to me it seems a conscious decision. From season two on I get the impression that there were some common themes underlying the episodes - exposing

No idea, but to me it seems a conscious decision. From season two on I get the impression that there were some common themes underlying the episodes - exposing the darkest part of human psychy, future world building, this thime it seems to be near-future effects of technology on our humanity that we can already see.