Any sufficiently advanced LLM-slop will be indistinguishable from regular human-slop. But that’s what they are after.
This heuristic lets the project flag problematic slop with minimal investment avoiding the cost issues with reviewing low-quality low-effort high-volume contributions, which should be near ideal.
Much like banning pornography on an artistic photo site, the perfect application on the borderline of the rule is far less important than filtering power “I know it when I see it” provides to the standard case. Plus, smut peddlers aren’t likely to set an OpenClaw bot-agent swarm loose arguing the point with you for days then posting blogs and medium articles attacking you personally for “discrimination”.