I'm unable to access the review page from here, but is that the pack that was pre-MOLLE but had tons of pouches? I believe I know a guy who swore by it. This was a looong time ago, perhaps late 90s, I don't recall where we were when he had it. This was one of those guys who was sometimes running missions with another unit that was even more specialized than ours, so I'm not sure what the intended application of the pack was. Come to think of it, he's the type who would probably be viewing this thread, his initials are BB and hometown was near Boston.
Anyhow, from what I remember, it was certainly not jumpable and appeared prone to becoming bottom-heavy after a couple hours of rucking, the load shifting itself down with gravity due to the shape of the pack. I think this was the pack where you could cinch smaller compartments as you set your load, so more skill came with use and after a while the gentleman in question learned how to pack properly and the load settled nicely. I always stared at him unpacking as I was continually surprised at how he could organize it!
As for today, if it's the pack I'm thinking of, I'm not sure what use it would have outside of a great way to keep things organized while backpacking. I don't think I'd want to hump it by choice.