I get questions about academic papers I've written from non-academics sometimes. It's fun, I like that people are reading. However, some of them are clearly written by AI. I typically answer anyway, but on my most recent, I appended at the end:

> P.S. I intuit, and Pangram agrees, that this last email was AI-generated (and apparently so was the first one, now that I checked). As general career advice, I wish to observe that learning to write emails unaided is an extremely valuable skill in the dual senses that 1) writing is thinking [0] and 2) many people who receive an email they believe to be AI-generated will not be interested in corresponding, even if you're asking good questions, which you are. It would be a shame for that to get in the way of your research goals.

A polite, generic response like this is reasonably low-effort -- you must draft it once -- and might really help someone. Who knows though.

[0] hyperlinked to https://www.nature.com/articles/s44222-025-00323-4