Cleaning up long chains of comments is a pain in the butt. Major sort. It just takes too many damn clicks, with all the confirmation and flag reason picking dialogs.
Please implement bulk operations for comments (for moderators), maybe like so (crude mockup):
Comments taken from here; no statement about comment quality intended.
Note there is a somewhat similar question, but the proposal here is to add this to regular pages, not (only) to queues.