I am unsure what do you mean by "time doesn't work that way" and "information is not what it seems". Could you please clarify?
Now, on to the rest.
Yes, Mrs. Rubins has shown that, but the current scientific consensus is that this is most likely because of dark matter's gravitational impact. The fact that we have not proven that doesn't mean it's not true, though I'm not gonna claim it is true either, it could be something else in effect there.
When it comes to black holes, the scientific consensus is that they exist. Some scientist are claiming that they maybe don't need to have a singularity at their center as far as I know, but they do agree that they exist. - some sources on that:
RE: Some black holes might erase the past and provide you with infinite futures!