Although not voluntarily, soft kill has already been implemented by TPTB
(every device is profit producing for companies & banks)

Engineered nuclear reactor disasters
Unnatural and GMO foods & Monsanto seeds 
Fluoride & chlorine in drinking water
Infant & child vaccines
Prescription drugs
Sea food kill by designed mega oil spills
Individual stress by unpayable "created" debt
Family stress by planned major housing bubble crash
Self-sustainment lethargy through government handouts
Fear by growing lawless police state
etc.