For the "f/8 and be there" philosophy of getting a usable shot at all, I agree with the simplicity of having a sensible default, and of course with the importance of being where the story is. In the digital era, and as a student/amateur who often kept the strobe in the bag, I'd modify that to "f/4 and be there".

f/4 with autofocus, aperture-priority automatic exposure, ISO 400 gave great images, with faster exposure (less likely to have motion blur when I didn't want it, and faster bursts, more forgiving of lower light) and shallower depth-of-field (for making the subject pop).

(I think of f/8 as being near hyperfocal distance for having anything in field of view in focus, and probably near an image quality sweet spot of the lens, but also often being slow for non-studio use unless you were using a strobe.)