Firstly, all this is based on the "Cosmic Distance Ladder", a convoluted assembly of various methods of measuring distances across the universe. What they need are direct measures of distance, using ultraviolet synthetic aperture, L1/L2 Lagrange Point long-baseline interferometry space telescopes, to validate their ideas about dark energy, cosmic expansion, etc. Until then, it is "GIGO".

Secondly, the images of cosmic web formation, shown at 33 mins, show a volume of space that is constant. But as described above, this is not consistent with their models of cosmic expansion. Again, as I explained, this is "GIGO".