Thread:Feedback/Blanking vandalism

How does one catch, and quickly revert, blanking vandalism? There is no notification that anything is missing; it appears in the page/thread history, but no one will look at that. It doesn't seem to appear on the new messages list either. The same is true for changing the content of a comment. (They do appear on the recent changes list, which is useful, but probably not enough to catch all vandalism.)

Even if one does notice, it is rather complicated to undo. Page and thread level histories have no such link (they do for edits but not for blanking), nor a difflink, so one would have to open the page history, from there the contributions of the offender, and from there a difflink.