you said, "i'm merely explaining why the reviews were middling ..."
your explanation is *not* why (some of) the reviews were "middling"; it's why YOU found the work middling.
(and fair play to you ... i just want to be clear about whose opinions are whose.)
i don't know anyone associated with this property well enough to say with authority whether it's dead in the water or not -- do you??? (and if so, please tell us more!!!)
and shows stall for a variety of reasons, often having nothing to do with the merits. just as, as we all know, shows proceed to open for reasons having nothing to do with the merits!
all i'm saying is that: (1) i disagree with the substance of your criticism -- which (again) is YOUR criticism, not the published critics'; and, (2) i can see this show doing very well in london, given the strong affinity for the source material there. neither of those assertions should be remarkable.
"You, sir, are a moron." (PlayItAgain)