Membership edits bypass hooks on a couple of flows

We are trying to track down a case where hooks are not called. I'm not sure if these are our problem but

CRM_Membership_BAO_Member::fixMembershipStatusBeforeRenew & updateRelatedMemberships both do $dao->save() which bypasses the hooks

I'm going to trial this on updateRelatedMemberships - but not sure this is the instance where it is 'missing' for us

@@ -1615,19 +1615,10 @@ SELECT c.contribution_page_id as pageID

• @static
  */
  static function updateRelatedMemberships($ownerMembershipId, $params) {

• $membership = new CRM_Member_DAO_Membership();
• $membership->owner_membership_id = $ownerMembershipId;
• $membership->find();
  -
• while ($membership->fetch()) { - $relatedMembership = new CRM_Member_DAO_Membership(); - $relatedMembership->id = $membership->id; - $relatedMembership->copyValues($params); - $relatedMembership->save(); - $relatedMembership->free(); - }

  -

• $membership->free();
  + civicrm_api3('membership', 'get', array(
  + 'owner_membership_id' => $ownerMembershipId,
  + 'api.membership.create' => $params,
  + ));
  }