I think the next quote explains it better:

On the other hand, it’s easier to bring out the details in older people or people with lots of freckles. I’ve tried to use Japanese people in the past, but it’s hard to make them look like their real-life counterparts. However, this time I used new technology, and I’m quite satisfied with the results. Well, I’d like to do even better next time.

It's normal for CG artists to do their best to make their work look like real life and not CG, though. Death Stranding is clearly attempting to look as realistic as they can manage