Gentlemen and lady controllers plus other contributors thank you. Your thoughts did indeed contribute to the information presented to my company safety committee. Many others gave of their time too and it's nice to think that we can act together to try improve things.
Readers may be interested of something I came across during the research. To try reduce nuisance RAs one major European airline recommends in their OM A to reduce to 1000 fpm @ 1000 ft to go for all level offs. As a technique to achieve this pilots normally reduce to 2000 fpm @ 2000 ft to go. Their assessment of the effect of this over a few years is to reduce these type of nuisance/high rate RAs by more than 90%.
Regards
Pilot1957