Usually if a seemingly good idea isn’t accepted there’s a good reason why.
Especially if a whole lotta people are looking for the solution for a long time.
The paper looks more like an senior undergrad “pick a subject” research assignment, spending lots of time reviewing basics before moving on to sort “hey this is neat” applications and borrowing random pictures from popular sources.
Allrighty then. Suit yourself. Stick with black holes, dark matter, and dark energy. Go with the flow.