Half dozen one or the other.
I dont see that its such a big deal, digital or film. If I am ripping off 300 photos an hour, I want to be shooting digital otherwise I would prefer film.
Personally for me know, I prefer to shoot film. Its tactile, and that is something that is absolutely lost with digital.
And how about that plastic digital look. Thats a big negative (no pun). I have never seen people so blown away as when I walked into an art store with a loupe and we put an 8x10 piece of EPP E6 slide film on a light table. Oh but also no color moire with film. That is nasty stuff too.
Also after 100 years when am gone, I hope someone in my family will still have my slides and negs, but I doubt they will be recopying cd's trying to save digital files, but maybe by then they will have some sort of electronic archival storage.
As far as resolution, I went down the test it yourself path for a while since I have a drum scanner and I found that with E100G, scans are so smooth and sharp at 2000 dpi that its almost a dead ringer for Canon bayer digital. The same edge sharpness of around 1-2 pixels and smooth.
With that test I used a Pentax 67II and a 300mm F4 EDIF lens. Absolutely a beast, but the best lens I have ever used.
If you run NI on that 2000 dpi E100G drumscan to pound out the last bit of noise/grain that is still apparent and sharpen it, it gets that plastic look that a lot of people complain about with digital.
Also around this time I emailed one of the digital camera makers and really picked there brains on this and that, but more specifically what was done to a raw file, before it was written, and there answer was they are heavily modified in the camera, color, NR, sharpened, etc etc with very complex algorithms.
If you jump up to 2500 dpi drumscan, it still resolves more detail, but more grain started sneaking in and the edge sharpness goes down to 2-3 pixels. In that case it helps to be using a super super sharp camera like a Mamiya 7.
You can keep going up and I have gotten even more detail at higher levels, but IMO the limit for super clean E100G scans is around 2000-2500 dpi.
All that said if you were to compare the same formats like a Fuji 690 to 35mm 1ds mkII, a 2000 dpi scan you give you 4500 x 6750 or 30 mp and that is a file IMO that would be almost identical pixel to pixel straight off the scanner.
At 2500 dpi you would be talking about 48mp, so I dont really buy all of his argument either.
Still the tonality, and latitude of film makes it a better choice for me since I am not in a hurry, but if I were shooting weddings or whatnot, I would shoot digital for the most part, that is if they ever get the bugs out.