Yep, there's a lot of stuff that properly using general relativity would address in a much cleaner way than dark matter. Ignoring the relativistic nature and n

Yep, there's a lot of stuff that properly using general relativity would address in a much cleaner way than dark matter. Ignoring the relativistic nature and nonlinearity of GR is a very large problem with FLRW and other toy models, but they have become embedded in cosmology to the point where it's heresy to question them.