"Did you see today’s Chronicle? “The Cost That Holds Back Ed-Tech Innovation”
The single greatest cost of the course redesign that I watched was the faculty instructors (or “subject-matter experts,” as they’re often referred to), who spent hundreds of hours planning and designing all of the new content.
Basically, it takes a lot of hours to redesign a course to be taught online, and even when the redesign is finished, faculty still have to be hired to teach."
The article requires subscription; I do not have the subscription.
It is true that the faculty who owns the online content needs to be hired to teach; otherwise, no one would want to do it at the first place.
Because the delivery method is different, the course surely would be re-designed. This usually takes a lot of time if one wants to do it well.