[phyzome]

In particular, this was a very weird sentence:

« However, this common black hole model is in tension with the overall expansion of the universe »

...why would those have anything to do with each other, a priori?

[T-A]

Because the "common black hole model" is static, while the standard cosmological model is not. How do you stitch them together without breaking either one, i.e. without violating general relativity?