Is “moreover” associated with AI writing?
Moderately associated. It's legitimate academic English, but AI uses it far more often than modern human writers, especially several times per page.
Why it sounds artificial
Human writers vary their connectives or just start the next sentence. A “moreover / furthermore / additionally” chain is a classic generated-essay skeleton.
What to say instead of “moreover”
Example rewrite
The policy reduced costs. Moreover, it improved satisfaction scores.
The policy reduced costs, and satisfaction scores rose 18% too.
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