The author say they’d prefer Microsoft paint images but actually I don’t think this is true of most audiences. People have the ability to make terrible paint images for decades and they’ve never caught anyone’s attention in a positive way, it’s not going to start now.
OP’s blog of white text on black background will be forgotten quickly. If I visit it again, I will have no recollection of ever having visited. I’m not saying they need to use AI, but to oppose AI with the opposite —- minimal design or even intentionally crappy design — will not have the intended effect of communicating “this is quality human-authored content”, it will just be forgettable.