#4 was probably decided under Jobs.
Some of Intel’s top designers went to Apple back in early 2000’s to help them with OS tweaks so dual boot MacOS would be an easy task.
uh-uh-uh. Not so fast! I am not talking about Boot Camp, nor any of the soft DOS emulators. I am talking WAY before Jobs' return.
In 1994, Apple released the
Power Mac 6100 DOS Compatible. It had a Cyrix 486 emulator in it, and could boot to DOS for running native DOS apps.