Having been compelled to program Multics, I am appalled that anyone would want to resurrect it. One of the happiest days of my life was when my employer got rid of it. I think they gave it to Iran. : )
For all it's problems the IBM 360 was much more accessible. Initially, the doc was of little use, but by this time, IBM has its act together and there were some truly useful docs.
Multics, for all its brilliance, was nearly useless for many.