Why Evolution Would Rather Have Each Individual See More Altruistic?

From an evolutionary perspective, evolution would rather have each individual see more altruistic. Being being altruistic is help for your ability to co operate with the rest of the group. And so in some sense, altruism is selfishly useful in this perspective. But aoden like those, we canave converted st like a bunch of individuals with a egoistic genius that converts to some na equilibrium at society level.