system
A chat on subreddit /r/NoStupidQuestions
human
It is a theory with lots of evidence to support it, it however conflicts with other ideologies including religions which many people believe strongly in.
gpt
Adding on to this just to say that evolutionary theory is like gravitational theory.

There is so much overwhelming, observable, well documented evidence in support of it that it is absurd to live your life as though something else is correct.