A further complication of this stupidity by CASA/Airservices is that even my Dynon system will "push" airport frequencies to my radios as I fly however it can't do this if the airport data isn't there in the pocket FMS database.
Which begs the question; if airports disappear from ERSA, doesn't that mean that the associated CTAF also ceases to exist? What about the myriad of airports with special procedures? Does all that vanish too? How would a pilot know? Isn't ERSA the primary reference for everything?