It's at pretty much a safe distance - that's why Geordi had to go wait at Wexx for Challenger. I didn't really think of a need to give a specific distance, but just didn't want to be laying waste to large amounts of Federation space so soon after Destiny - but space is big, so it's only close to anything in relative terms.
The description of then-Director Vellin's assassination attempt against Sela, with the Stormcrow being hijacked and propelled at accelerating speed towards a pulsar just in Federation space, reminded me a lot of the description of the Tomed incident seven decades earlier.
The biggest difference is that whereas the Tomed collided with an asteroid, Stormcrow would have collide with a neutron star. If Tomed wiped out outposts for light-years round, what would the collision of Stormcrow singularity (and the rest of the ship, too) at many multiples of the speed of light with a neutron star have done? Maybe the area was scoured by the Borg, maybe not, but the resulting destruction could surely serve as a casus belli on the Federation's part, notwithstanding its origin in Romulan politics.
Director Vellin was an associate of Rehaek, right, who was interested in having a manipulablke war-hawk Durjik restrained by a conservative Senate and the new Typhon Pact, right? (Working from memory, here.)
Right. That was quite a late addition, taking into account the Romulan situation after RBOE. As for the damage such a crash would do, I'm thinking it would have been more an implosion, what with the forced quantum singularity going.
This is maybe stuff worth querying in the Trek tech section, mind you.
No, that'll be left alone. I think it's sufficiently explicit in the text that it's a natural ability that can't be harnessed by technology, and that the characters finally realise that. I'm totally with you on that whole subject.
True. Glad you liked it!