DeathPenalty

is the point to torture or punish wrongdoers?

how else to explain the barbaric methods we use?

lethal injection, gas, electric chair, hanging, firing squad

all require elaborate mechanisms

all have many ways they can fail

you can execute someone simply and painlessly with nitrogen

inert gas asphyxia: https://en.wikipedia.org/wiki/Inert_gas_asphyxiation