Earlier quoted context omitted.
General Purpose Computing using PC's is a thing because of Microsoft (and IBM). Without those two there would have never been a PC in the first place. The forces against general purpose computing are to be found on 1 infinite loop and 1600 Amphitheatre parkway.
I rode a PC wave that nearly completely bypassed IBM/Microsoft: 1. The "home" computer boom: ZX Spectrums, Acorn, Commodore, Atari with maybe an Apple II or a CPM machines for more serious use. 2. The Atari ST or Amiga wave. WIMP and productivity software as well as gaming and content creation 3. At this point I did switch to Windows but I could just have easily switched to Mac. Apple didn't cease to be a force at an…
Now that you mention it, I kind of wonder what would have happened if Steve Jobs had never left Apple in the first place.