I wrote a few papers on this film in high school. It crossed so many subjects - science, social studies, and media.
There's elements of things that are true - that we cannot escape our genetic programming. Someone with better genetics will be better at one thing or another, or less susceptible to certain conditions, while others are consigned to it.
Sometimes though, its better to just not know and do things as best you can, anyway, because you have passion for them.