I can't imagine that they will keep the name for very long... I mean they are changing Postgres into RedHat Database.
They might drop the name ACS with the ACSJ 5 release (maybe RedHat Community System
... Until then they don't want to irritate former aD customers. As soon as the customers are used to picking up the phone and talking to a RedHat employee instead of an aD employee they will streamline the branding (IMHO)...