Link.
Given the positive reactions, I think the professor seeded them with a positive impression of the site's content.
you would have to be supremely confident in how well-thought out and coherent you were
This is pretty much the whole point, isn't it?
(And this is ignoring the other obvious factor, which is how much you care about what professors appreciate.)
Link.
Given the positive reactions, I think the professor seeded them with a positive impression of the site's content.