It would be interesting to see video statistics broken down by the country from which the website is operated.
It could be that the percentage of sites that use videos is so low because many of the sites are from countries where English is not their first language thus it is hard for them to create videos in English.
It could be that the percentage of sites that use videos is so low because many of the sites are from countries where English is not their first language thus it is hard for them to create videos in English.