Leah’s ProducTea

Leah’s ProducTea

I said AI can’t simulate your customers. Then I built a tool that does.

Sort of. Would you like to be insulted and advised at the same time?

Leah Tharin's avatar
Leah Tharin
Mar 06, 2026
∙ Paid

A few months ago, I wrote that AI cannot simulate your customers’ behaviour. LinkedIn was buzzing about a research paper claiming LLMs could reproduce human purchase intent, and founders everywhere were salivating at the idea of never having to talk to a real person again.

My take was simple: no. LLMs match semantic patterns. They don’t simulate intent. …

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