確か、いつかそういう機能が追加されたことについて表示がされた覚えがあるのですが、よく読んでなかったので。このアップデートで実装された、この機能っぽい。
VBP Change Log – Super Blog Me
4.9 Released April 11th, 2024
EnhancementsYouTube: posts with valid videos now refresh metadata (views, likes, etc.) in custom meta fields every 30 days according to ToS Policy #: III.E.4.d
YouTube: Added Main Settings option for action on videos that are deleted from YouTube.
Added dismissible notice about important YouTube ToS changes.
RSS: add support for get_categories inside an enclosure.
RSS: default feed entry type to video if enclosure does not define type/medium.
Added new filter ‘vbp_publish_the_video_finished’
Added template tag %VideoScheduledAt%, for live YouTube videos.
Allow support for fractional values for Scheduler hours like 0.75 be careful.
Added ability to request a random number from a range X-Y for videos and comments.
Ensure videos imported do not have content publish dates ahead of the current server time.
Ensure Image Template resolves with all valid file characters.
Increased logfile size in sql from text(64k) to longtext(4gb).
removed Utility Functions
BugfixesFix for finding exact position for multi-byte strings when using content filters.
Removed word boundary regex flag for Replace Phrases check. Now optional filter.

記事が削除されても記事に作成時に一緒に作られた画像は消えていないので、メディア⇒未添付で表示された画像は消しておくと容量の節約になるかと。
