I think this entire thread falls under the umbrella of being "well rounded" in your chosen hobby/profession. It isn't a prerequisite to learn the basics and learn from previous fellow travelers and masters to be competent, but it's probably helpful and knowing where you came from is usually some sort of a leg up.
Much like modern Navy officers learning how to sail tall ships as a part of their training. Certainly not necessary but it certainly rounds out their knowledge as well as their respect for their profession.
I agree with a previous poster that with the glut of "photographers" today, it's perhaps difficult to see the wheat through the chaff, but I'd bet that most "serious" photographers have a desire to learn where their craft evolved from.
Also as someone who moved to digital after 30 some years as analog, I don't find analog/digital to be two separate disciplines at all but merely an evolution of technology and a branching off of the main tree, which is using a camera to record or capture a subject and convert it to a visual medium.