Something Mysterious Appears to Be Suppressing the Universe’s Growth, Scientists Say::The unexplained cause of the slowed growth of the cosmic web that connects galaxies could hint at new physics.
Something Mysterious Appears to Be Suppressing the Universe’s Growth, Scientists Say::The unexplained cause of the slowed growth of the cosmic web that connects galaxies could hint at new physics.
Because the entire universe is inside a black hole and what we percieve as expansion is acceleration to a singularity?
https://cosmosmagazine.com/science/graph-measures-objects-universe-black-hole/
Your source refutes your claim.