Peter Duniho wrote:

wrote in message ...
It has already saved a few friends of mine, in one case IFR vs. IFR in the
flight levels. Perhaps it is not as safe as it could be, but it's a lot
safer
than not having it at all.

Again, you are mistaking a technology that helps increase overall safety
statistics with one that can be counted on in every situation to improve
safety.

There's a difference.

Yes, the former is achievable; the latter is not.