Precisely the reason it's been raised by the Vic RAPAC and hopefully will be changed when CASA sees sense.
To change anything back/revert to what some may have thought the correct procedures to be can, in itself, present a safety issue potentially greater than one is attempting to solve.
Few seem to recognise or care about that sort of thing these days -
Picture the situation where there is a mid-air due frequency separation, and blame is assigned
" .... due to the many and sometimes confusing changes to radio broadcast procedures over the preceding 10 years ......"