Pink did get rolled into Taligent, the Apple/IBM JV to overcome Windows NT. Remember that mac 68K system calls were via ("A-line") opcodes, and their only extension/fix mechanism was head- and tail-patching those entry points. 1990 was only about 2 years after quickdraw was re-written in C instead of assembler. Also, application developers made assumptions, e.g. sending F-line opcodes thinking any 68020 machine has a…
Why was leaking tech docs considered such a problem? I could imagine any competitor large enough to copy implementation from docs and unscrupulous enough to do so would be able to get their hands on all your docs anyway (say, a Microsoft exec hiring a PI, ...). But what's the harm if anybody else gets their hands on the docs? Is it some abstract legal "we must not accidentially make any forward-looking statements", o…
Also feature parity between systems didn’t exist so they were still trying to one up each other.