No, my argument is I don't understand all the excitement here at HN for Soylent. It doesn't seem novel or exciting, but a lot of people act like its the best thing ever invented. I then attempted to guess at the reason, which is that it's marketed towards techies and hackers in the startup scene, which ensure isn't.
Other replies have given me additional information which I'm going to go over. Your's was setting up a straw man argument.
It has better balance of nutrients. Anyone can throw in some cheap vitamins and call it a day, but having enough potassium (which Americans under-consume compared to sodium), magnesium, protein, is rare. Soylent has 20% of RDA of EVERYTHING. Just check here:
Other replies have given me additional information which I'm going to go over. Your's was setting up a straw man argument.