Having read all the postings in the major thread that has since disappeared, plus those that have resurfaced, I must say that I am amazed that anyone is even contemplating any industrial action!
This will play straight into the hands of BA who cannot continue to tolerate the level of existing losses, and will precipitate either the instant closure of the airline or, more likely, a fire-sale to someone that would probably pick up some of the pieces under a totally new brand. Under these circumstances T &C's will not be anything like as good as they are now.
Several outsiders are circling the business and waiting for an opportunity to pounce.