Thank you for doing this because I couldn't wrap my head around the explanation for the "Star Trek" reboots. I was actually a bit worried because it made me think of "Donnie Darko" and that did not end well for Donnie.
Yes, but the problem is that in the world of Star Trek, changing the past doesn't lead to an alternate reality. Every change in the past, changes the future of the same reality (see: The city on the edge of forever (TOS), First contact (TNG), Year of Hell (VOY) and many others....)
To be fair, 99% of Star Trek's nefarious time travel episodes always end up "closing" the loop by convenient solutions at the end of the story arc. This case is different because the only way they could close this particular loop is prevent the black hole from ever opening in the first place.
That's how I saw it before even watching Doctor Who. It's a simultaneous layer to the original. This is how dimensions really work, in my opinion.
Put simply, just because Pete's universe exists, doesn't mean Rose's universe ceases to exist. Likewise, the new Star Trek doesn't stop the old one from existing. It's just on a separate plane of existence.
With that creepy void the Doctor was so keen on calling, "hell" in between.... =3=
now that is exactly how i saw it, being a extreme Doctor Who fan and a Trekkie, and also, an aspiring theoretical physisist, i understand the multiverse to an extent, and I gotta thank Doctor Who, Star Trek, Stargate, The Big Bang Theory, and Wikipedia for that