38% of the white evangelical Protestants who responded to Pew Research Center's survey[1] said that humans have always existed in their present form. But maybe you're right; maybe these people just need more time to become informed. It's only been 160 years since On the Origin of Species was published. We need to be more patient.
[1] https://www.pewresearch.org/fact-tank/2019/02/11/darwin-day/