I think I can put your mind at rest on most of your 'thousands will be killed' concerns. Mainly in so far as the minimum equipment list requirements to operate in RVSM airspace.
What may be of concern is the implicit violent reaction to TCAS alerts that one might construe from reading these posts. A Resolution Advisory is a mild manoeuvre and not a GPWS pull up. The attitude change required for 1000 fpm v/s is about 1000/TAS. Perhaps a few RAs for practice in the sim would come in handy?