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# AI trainers reject the slop they sell to others
- URL: https://adjacent.media/signals/ai-trainers-reject-the-slop-they-sell-to-others/
- Published: 2026-07-24T10:05:24.000Z
- Updated: 2026-07-24T10:05:24.000Z
- Description: ISBNdb’s pivot from library infrastructure to AI training data supplier exposes a widening credibility gap: companies building foundation models now scrutinize their training diets while simultaneously flooding the market with “AI slop”—cheaply synthesized content that degrades everything downstream
- Author: Jonathan Greene
- Tags: #signal, theme-culture, media, content authenticity, ai training data

Source: [Machinesociety](https://www.machinesociety.ai/p/if-ai-companies-avoid-ai-slop-shouldnt?ref=adjacent.media)

ISBNdb's pivot from library infrastructure to AI training data supplier exposes a widening credibility gap: companies building foundation models now scrutinize their training diets while simultaneously flooding the market with "AI slop"—cheaply synthesized content that degrades everything downstream. The asymmetry is rational self-interest. AI labs hoard clean data while everyone else drowns in their waste products.