This problem that you have exposed has never been taken into consideration by the person who created the platform and established the rules and methods of use. And this because it is not at all a problem of the platform but only one of the infinite ways of using the platform. Creating many accounts is part of the nature of Steemit as are the Bots.
Even taking out the earned steems does it all and is normal and, above all, allowed. Should they give you the steems you earned? You have discovered hot water.