optimise for taste...and texture, and price, and familiarity, and ethical sourcing, and religious approval, and cetera, and cetera. Maybe you don't care about halal or free-range, but some people do.
Like I said, Soylent Dude is more exclusive in his optimization, but I still contradict the proposition that, "This optimization is premature..." How could it be premature when every human food preparer has been doing it since the invention of fire?