On a global scale, Soylent is very very expensive. Their current pricing is $65/week. Many nonprofits feed someone for $50-100/year in the third world. The price would have to come down to 2% of the current value to be considered. That's unlikely with such a heavily industrialized product.
Maybe we'll decide to mass-produce and/or subsidize? I don't know, I just think it's cool thing he's doing and want to see the conclusion of it. Maybe it's all a big waste of time, who knows. I just want to be kept informed of the progress.