Except that the flesh body was by design to house the soul/spirit intellect, that was created long before this flesh age. All souls/spirit intellect were created at the same time. Each that will, gets their opportunity to take this flesh journey. First requirement to 'see' the kingdom of God. Conservatism is individual personal responsibility and so it shall be how judgment occurs.
What precludes it from being able to evolve, and still do that?