> It doesn't mean they were the best of all possible species, just the best (given the environment) compared to the others at the time, solely at the task of ma

> It doesn't mean they were the best of all possible species, just the best (given the environment) compared to the others at the time, solely at the task of making more copies of themselves. There's a very long list of failed 'perfect' standards. "Working in the current environment and recruiting new users" looks like a very reasonable bar for a standard to clear.