All this fuss and emotion over such a simple manoeuvre - why are some people so bothered or frightened by it?
The fact is that anyone joining a circuit (by whatever means) is required to give way to people already in the circuit and, as always to obey the rules of the air. Somebody already in the circuit has less to fear from a VRIAB than from some wally who chooses to fly a straight-in approach to a field without full ATC - and there seem to be an increasing number of those!
As I said earlier, one tangible concern seems to be about the call "initials" - and maybe that's valid; it's simple to cure so lets not use it! For years I've just called "final to break", and sometimes added "30 seconds" or whatever appears appropriate and, if there's an aircraft on final, I usually add that I've seen it.
HFD