[aharrison]

That is actual one of the creator's goals:

“I’d like this to be something that is like coffee — a commodity something that’s available everywhere. Maybe a utility like water and power. Something that is ubiquitous and easy to consume,” he said. “I’d like to see it in grocery and convenience stores soon.” ( http://techcrunch.com/2013/08/01/soylent-1m-preorders/ )

You have to keep in mind this is an early adopter, hot-off-the-manufacturing-line, hey-look-this-might-work version. Give it time to grow, mature, and let economies of scale kick in.