For me, it's just historical curiosity. I lived through that era, but had no hope of getting actual exposure to all of those OS's. I went from MS-DOS to 68k Mac, to Win95. I can't even claim to have been particularly prescient about any of those choices.
Yeah, for sure. It's interesting to read about what developers thought of OSes or programming languages of yore, especially from Carmack. But GP is already begging for praise on Mac or something.
