You'll probably have to leverage the Wistia JS API to monitor video activity. In the past, when taking a similar approach, I've loaded the related JS in a page load rule (only on pages where videos exist), then triggered a direct call rule from within the JS. Passing a payload in with the direct cal...

With a goal of trying to report on the absence of data, where even a single page view would move the page in question from the "no traffic" column to the "has traffic" column, your best bet is probably to do your analysis outside of Analytics. With that, as long as you have a complete list of pages ...

@amithc90965147