To me Highsmith's fiction is more about psychology than suspense.

It's not Agatha Christie, where you have no clue about what happens next or that the judge is the killer.

I would be surprised if the size doesn't matter in this case. On the one hand, tiny black holes tend to be rather short-lived. On the other, I suppose some threshold mass/energy is needed to generate a child universe that doesn't collapse immediately.

The linked article about toxic blue-ringed octopus is even more interesting.

https://crookedtimber.org/2025/03/14/occasional-paper-the-in...

It's kind of insulting to the reader that they explain P complexity class without using the word polynomial ("all problems that can be solved in a reasonable amount of time")