In DH's "there's nothing to worry about" Queen's Council post, he did say BA had approached the ERS and in newspaper reports it was said that the ERS qualified the result to protect their own position.
If Unite do proceed with another ballot, I expect that we won't hear a single word from either BASSA or CC89. It was suggested in The Guardian that a post over staffing level changes (this may have been by CC89) prompted the challenge on continuation.