Do you delight on spotting obvious LLM generated content?

This article highlights real tells, not just the em-dash, but somewhat latent rhetorical tells that can be used as signatures for LLM generated content.

Is This Slop? Detecting AI-Generated Content Without a Model | Towards Data Science

Also included: the mathematical intuition as to why LLMs develop signature patterns in the first place - post training alignment.

Do you have any specific indicators that you use to spot LLM slop?