Updating/deleting stacksets deployed in Organization

Is there a clean way to update or delete stacksets that are created at Organization level? While creating a stackset there is an option to select "Deploy to Organization" option. But after creation while trying to update it, it needs to have specific OU Ids selected and cannot be targeted to the whole Organization. Is there an easier way to do it especially for large enterprises? Even after using a valid OU during update, it errors out saying "Organizational unit ou-xxxx not found in StackSet". A similar situation occurs while trying to delete the stackset. To delete stackset, you need to remove all stacks first, but can’t get stacks removed because it only offers choice of OU and any OU type gets similar message of not existing in stack. Is there a better way of handling this?