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Out of curiosity, I asked ChatGPT-o3 what LLM it thought wrote the ending, and I agreed with its rationale for guessing that 4o wrote it:
"The prose is archetypal ChatGPT rhetoric—second-person apostrophe (“dear traveler”), triadic repetitions, and a moralizing close. / Vocabulary inflation (“complexity merchant”, “moat of self-importance”), syntactic parallelism, and the cadence of stacked, comma-separated clauses are hallmarks of GPT-4’s temperature-controlled completions. / No concrete anecdotes, data, or links—just abstract exhortation—exactly what an LLM defaults to"
But more interesting was the rationale for it not being Claude or Gemini-pro: "those models tend to hedge (“may”, “might”) and inject more safety language. This text is bolder and more florid—typical of GPT-4 with style-boosting prompts."
I'm not sure I would've identified that as stylistic tics of Claude/Gemini. I'll have to look closer for those in the future.