topics_added_events.each do |ta|
      num_adds = topics_added_events.where(eventable_id: ta.eventable_id).count
      num_removes = topics_removed_events.where(eventable_id: ta.eventable_id).count
      if num_adds > num_removes && scoped_topic_ids.include?(ta.eventable.id)
        topics_added_to_include[ta.eventable_id] = ta