But in-context learning is like a student only remembering what they’re being taught for the duration of the discussion. That’s not really how mentoring is meant to work, so pointing out the issues with the metaphor seems pretty reasonable.

In other news: That words can change meaning doesn’t mean that every possible change in meaning would be beneficial to communication and therefore desirable. Would you advocate in support of someone suggesting to use “left” to mean “right” simply on the basis words can change in meaning?