[eastbound]

That is a very clever null hypothesis to check whether disliked people tilt the balance, or whether lack of human interactions do.

The ones who should do this study would be the CIA. They could remotely kill people by giving them negative social feedback all the time. It would also give weight to online harassment complaints.

[deadbabe]

Strategically weaponized cyberbullying on a person whose mental state has been compromised by social media can be a creative way to kill them off if they are driven to suicide. Might be the plot of a thriller at least.