You live in society, not alone on far side of the moon. In any society including worst communism terror Earth has seen, the worst and most potent humans bubble up to the top, always, without exception.
No mechamism to wipe this clean means absolute dictatorship with no end in sight, you always see it even in democracies, strong persons tend to bend rules as they like and the only stopping power is re-election force, or you end up eith some form of forever putin.
Death brings correction, even if individually of course it sucks pretty badly. Even for just avoiding endless dictatures its necessary.