Because you don't make an implicit cost/benefit analysis when you get ebola. You do when you drive. Every time you drive, you willingly take some risk and accep

Because you don't make an implicit cost/benefit analysis when you get ebola. You do when you drive. Every time you drive, you willingly take some risk and accept it. It's the same reason people shrug their shoulders when a mafia guy gets gunned down but lose their shit when a child is killed by stray gunfire. The mafia guy opted in to the risk.