I also wondered of the “loose planets” where another means of accounting for dark matter, and that’s why they came up with the 100,000:1 ratio.
I’ve never been comfortable with the theory of “Dark Matter.” I have a nagging suspicion that it’s a hypothesis created to patch a hole in a flawed underlying theory.
But, I’m not an astrophysicist, so I can nurse my ignorant prejudices all I want.
“But, I’m not an astrophysicist, so I can nurse my ignorant prejudices all I want.”
I join you in that camp, in spite of my own continuing speculations coming from the slim knowledge I have.