It’s so hard to tell sometimes, and it’s so widely encouraged. It’s not so much about structure so much as the total lack of content. AI regurgitates and summarizes really well, but it won’t invent an original idea. Bad writing with original thinking is often stronger than good writing without.

Gutt “EPSTEIN” Levy

I think people’s confidence in “I can tell AI wrote this” is potentially hosing a lot of strong writers. Not saying this is the case with you, I’m just seeing a growing sentiment of, “this is well written and constructed, must be AI.”