I am working on a game proof of concept as well (to share a gameplay on YouTube to see if it attracts enough interest) and I have been using IA as well to generate the images and so far it has been a wonderful experience.
I feel really bad for artists because unless you need something very specific or a big studio, you are going to be replaced sadly.
I feel really bad for artists because unless you need something very specific or a big studio, you are going to be replaced sadly.