Valid. I checked again, and:
Known risks to the protocol include:
- Carriers being attacked by birds of prey. RFC2549: “Unintentional encapsulation in hawks has been known to occur, with decapsulation being messy and the packets mangled.”
So I guess that’s what’s happening here
The abstract suggests that happiness is a statistical anomaly, and in its final lines they suggest that “One possible objection to this proposal remains–that happiness is not negatively valued. However, this objection is dismissed as scientifically irrelevant.”