Deleting a twitter line item renders the promoted tweets inaccessible for direct deletion

promoted_tweets_fun.txt

DELETE https://ads-api.twitter.com/2/accounts/18ce54auygc/line_items/b3q7k
Ok!

DELETE https://ads-api.twitter.com/2/accounts/18ce54auygc/promoted_tweets/1rq4fy
Error: Promoted Tweet 1rq4fy was not found for Account 18ce54auygc

GET https://ads-api.twitter.com/2/accounts/18ce54auygc/promoted_tweets/1rq4fy
Error: Error: Promoted Tweet 1rq4fy was not found for Account 18ce54auygc


GET https://ads-api.twitter.com/2/accounts/18ce54auygc/promoted_tweets/1rq4fy?with_deleted=true
OK!, returns:
{u'approval_status': u'ACCEPTED',
  u'created_at': u'2018-02-21T07:14:14Z',
  u'deleted': False,
  u'entity_status': u'ACTIVE',
  u'id': u'1rq4fy',
  u'line_item_id': u'b3q7k',
  u'tweet_id': u'966209425806626821',
  u'updated_at': u'2018-02-21T07:14:15Z'}