For the most part, I don't mind when a story does not fit in with reality, I can stretch my suspension of disbelief pretty far. I have problems with technical realities of a story in two ways, when it is internally inconsistent, or when it the story is put forth as being accurate to reality. I don't think this story was doing either of those. I can't think of a story here off the top of my head that is either of the above, but I'm sure I've commented on them before.
My area of "expertise" is astronomy, cosmology, and physics(sort of). FTL travel, I'm okay with for the most part as long as it is internally consistent. Sounds in space and heads popping due to exposure bother me. It's weird, I know.