V4V is the middle ground, between free and paid content.
The buyer market (for content) is small/niche and requires an established reputation and content schedule to capture.
Additional resources are needed to grow this target audience.
Digital content suffers the additional "immediacy" problem, where the content is only topical/relevant for a short time.
Advertising revenue sought to bridge this gulf to make paid content more accessible to more people for a lower cost, bringing its own issues.
V4V is the middle ground, but as maybe only 1-2% of the reached audience will return value, it take a large audience and great product