Unfortunately
there don't seem to be any reliable statistics to support or refute my position, and
that's something that needs to be seriously addressed.
Just two very quick comments:
The two best stats. available:
1. No (or maybe 1 depending who you believe) accidents involving IMC rated pilots in IMC in more than 40 years - there have been a lot more in the same size population of IR pilots,
2. No collisions in IMC involving an IMC rated pilot ever.
Sounds pretty safe to me.
