Yeah, AI isn’t creative. You need to ask it to describe these types of patterns, and then include avoiding them in your original prompt to make it come across as somewhat natural.
What I wonder is whether the author of the article recognized these patterns and didn’t care, didn’t even recognize them, or didn’t proofread the article?
I gather he's operating Beyond the Prompt, and isn't here to rehash prompt engineering tips.
This made me chuckle