Coincidence is a mainstay of the Star Trek Universe.Copium can be a soothing comfort, hope you have a steady supply.
So you really accept the the Romulans were wiped out just because the home planet of their interstellar empire is destroyed and they conveniently need Spock to fix it? An empire whose ships are powered by micro black holes and are warp capable that can't evacuate their planet to other worlds in their empire in time before a supernova.
Its such a flimsy excuse to hire Nimoy. It was a gimmick to attempt to somehow both anchor the jjverse into proper trek and the reimagined shitty parody version of trek.
Has been since day one.
Why is this one example any worse (or better for that matter) than the hundreds of others through out the 50+ years of episodes.