Is LMArena ranking methodology gameable by duplicate submissions?

Claim: Submitting 10 near-identical model entries to LMArena inflates score by ~100 points. Opposing view: LMArena says study assumes equal-strength variants, which is unrealistic. Recipe: Analysis of 2.8M comparison records (Jan 2024–Apr 2025). Source: https://the-decoder.com/popular-ai-benchmark-lmarena-allegedly-systematically-favors-large-providers-study-claims