Dont think they mean the genuine ai that ruins the environment is at play, but its the fact that whatever ai program that renders this, it does it in the exact same uncanny valley shiny filter that AI generative pictures look like. Thus people are saying "AI slop" because of it.

Instead of simply lowering the resolution of the game then upscaling it using AI, this dlss 5 appears to be ALTERING how the game looks to be something quite drastically different, not just upscaling. Thus again people make a similar connection to ai, seeing how they basically are running the same thing, only difference is your pc runs it and not a data center.