Grep is not semantic like embeddings, although the llm can expand a concept into multiple literal searches with a similar effect.
There have been some attempts at "semantic grep" but don't know its current status
https://github.com/lightonai/next-plaid/tree/main/colgrep
Your understanding was applied too strictly and you missed the intent of the joke...
There have been some attempts at "semantic grep" but don't know its current status
https://github.com/lightonai/next-plaid/tree/main/colgrep