"a full diet replacement that eventually won't need to leverage crops, for areas with no arable land."

How will they make soylent? there are plenty of foods with 100kcal per/0z. that are shelf stable and natural (and healthy). Shipping in powder X vs other food Y is a false differentiation. Its neither more healthy nor, nor less bulky, nor cheaper to ship.

Lastly, you will need to ship in water which is 4-5x the weight of food per day.