It seems this theory is resolving a major incompatibility between QM and GR. https://science.ubc.ca/news/physicists-offer-new-accordion-theory-expansion-universe
I think I get it. Newton says gravity is mysterious force that acts at a distance; but accordion to Einstein, it's a curvature of space!
If what this article suggests were true, the LIGO detectors would be inundated with gravity waves happening all the time, instead of once in a while. If this does not happen, the new accordion theory is falsified before the ink on the paper is dry.
Are the merger of Black Holes happening all the time. This paper is also published. https://journals.aps.org/prd/abstract/10.1103/PhysRevD.95.103504