Link.
Given the positive reactions, I think the professor seeded them with a positive impression of the site's content.
My impression is that we -- geekish people in general -- do this a lot more than others. Uttering any generalisation seems to trigger people to respond with an exception, no matter how nugatory or irrelevant.
ETA: See also Well, actually.
Link.
Given the positive reactions, I think the professor seeded them with a positive impression of the site's content.