Why AI-written copy reads like AI-written copy
Language models are trained to pick the most probable next word, so their output drifts toward the statistical middle of the language. That's why you see the same tics over and over: "in today's fast-paced world," "it's important to note," "delve," "leverage," "seamless," "robust," and every paragraph landing on exactly three items. Sentences come out the same length. Every section opens with a summary and closes with a restatement. Nothing surprises the reader because surprise is, by definition, improbable.
Humans write unevenly. We use a four-word sentence after a forty-word one. We start with "But." We drop a specific number, a brand name, or a small failure we had on a Tuesday. That unevenness is the actual signal readers respond to — not vocabulary level.