You are probably right on reason for the 0 compression request. To be truthful, I laughed when I first read that 0 compression advice way back. To me, it seemed to defeat the purpose of JPEG in the first place. I have never uploaded at 0 compression. Most of mine are between 10-20%. Most of my color images come from PhotoCD, so I have no choice but to crunch them myself, otherwise I would never have time for the upload!
I have been printing B&W 5X8s lately (first time I've been in the darkroom in several years), and even those scans on my flatbed get compressed a little. Maybe 5-8%. I do regret however, that after all my care in editing, getting the final unsharp/sharp where I want it, that my lossy JPEG gets opened and then recompressed. Still, viewing them on A.net they don't look too far removed in quality from the original "parent" JPEG files I have on my hard drive.
Oh well, this works for me, so I'll keep at it.