jmmemoLÃLooking at sourcecode it seems -( if I read correctly )- that the new user address is not added to the list of profiles until at least one "ACTION" is performed. Conceivaby there exist thousands.
https://whatsonchain.com/tx/30fd2d5536bf4b0468ee29cbc41b74b338477445055f3769c56a2eb727b8d0e3