TonyR
I have been to a few fly-ins where it was safer when the A/G just gave up and the drivers sorted it out.
A/G is about providing information like wind & QFE etc. It's not the job of Air / Ground Radio to sort anything out traffic wise. Too many pilots (and one or two Air / Ground operators to boot) seem to be confused about the various roles of A/G, FISO and ATC.