> While Right Wing Watch had essentially moved away from regularly posting its videos to YouTube over the past year, as Mantyla noted, the deletion of the site’s channel erases a deep, years-long archive of video clips—effectively eliminating a resource for understanding and exposing right-wing extremism.

Nothing in here says "we lost our only copies of the videos", just that the resource is now gone from the Internet, and that users currently can't get at it.