True, but they also have a page specifically for those used at least primarily for drying:
https://aces.nmsu.edu/jujube/drying.html
In fact, I see that 3 of the cultivars are explicitly labeled as “not suitable for fresh eating”. So while Shanxi Li may just need extra water to get crisp, water may not be enough to make some varieties crisp. I think I had a sample from one such variety, Zhang Huang Da 4 years ago (another graft on the So), which was very dry (much more than the Shanxi Li).
I think both Scott and I may have had a similar experience with Huping (one of the ones on the NMSU drying page).
But I definitely recognize that even in my area some extra water may be needed to ensure good texture. In the above link(almost 4 years ago), I said:
One other note- my So weren’t as good this year as last. Then, we had a day of rain last week. The fruit I picked in the day or two after the rain were much crisper and juicier- very tasty. I think I need to irrigate when they get close to ripe if we go a while without rain.
Just Fruits and Exotics
Edible Landscaping
I think Burnt Ridge and One green world sometimes sell small (1 gal) ones. But for me, the small ones take a very long time to establish.