I was not even aware of this space telescope. I think a better term for dark matter is dark plasma which is all around us. For example The Sloan Great Wall, a giant cosmic structure measuring 1.37 billion light-years in length. How does it hold itself together?
"It is hard to imagine a more stupid or more dangerous way of making decisions than by putting those decisions in the hands of people who pay no price for being wrong." – Thomas Sowell