A r/startups thread (108 upvotes, 49 comments) asks 'What is up with the absolute slop from YC these days?' blaming the AI boom for flooding the accelerator with low-quality companies. Commenters describe recent YC batches as 'slop machines' optimizing for attention through volume rather than substance. For the vibe coding ecosystem, this is a leading indicator: when everyone can build, differentiation shifts from execution speed to product taste and domain expertise.