From Don Lincoln, Fermi National Accelerator Laboratory, LiveScience:
Dark matter remains a powerfully predictive theory for the structure of the universe. It is not complete and it needs validation by discovering the actual dark matter particle. So, there is still work still to do. But this most recent calculation is an important step toward the day where we will know once and for all if the universe really is dominated by the dark side.More.
Dark matter could solve a lot of problems, in the same way that the primordial cell of origin of life studies or the ancestral human of evolutionary psychology could.
If only they would exist, and make their existence known. Local bets are on dark matter to eventually show and the others to remain forever elusive.
See also: Have researchers imaged dark matter, as per a recent claim? Rob Sheldon comments