You can assume that for any subject other than CS, unless someone specifically mentions their credentials in the field, most commenters won't know what they're talking about. Hacker News has a reputation for "aggressive ignorance" outside of its wheelhouse.
Remember, HN isn't exactly checking anyone's CV at the door. All it takes to post here is knowing how to fill out a web form. The culture here tends to believe the simplistic design somehow draws deep technical intellects like moths to a flame but it really doesn't.
Remember, HN isn't exactly checking anyone's CV at the door. All it takes to post here is knowing how to fill out a web form. The culture here tends to believe the simplistic design somehow draws deep technical intellects like moths to a flame but it really doesn't.