Okay, I did some more digging and (apologies, you’re probably regretting having asked the question by now) every article I’ve found basically boils down to Jason Aaron saying “I just thought it would be a neat story.”
https://m.comixology.com/Heroes-Reborn-Magneto-The-Mutant-Force-2021-1/digital-comic/922718 There is one comic that focuses on the X-men and ties into the book, but it doesn’t sound like it would be of any interest to X-fans who aren’t following the main story. It seems that one of the dystopian parts of this story is that mutants as a whole are barely clinging to existence
no subject
https://m.comixology.com/Heroes-Reborn-Magneto-The-Mutant-Force-2021-1/digital-comic/922718
There is one comic that focuses on the X-men and ties into the book, but it doesn’t sound like it would be of any interest to X-fans who aren’t following the main story. It seems that one of the dystopian parts of this story is that mutants as a whole are barely clinging to existence