Dark Flow

No.10912940 ViewReplyOriginalReport
https://www.express.co.uk/news/science/1169424/the-universe-nasa-news-across-the-universe-galaxy-multiverse-dark-flow

gravity doesn't work for galaxy rotations
>invent dark matter
galaxies are moving away even faster even with dark matter
>invent dark energy
still can't explain red shift or even derive G as a constant
>invent dark flow

When do we abandon cosmology as a worthwhile persuit?