Please!
That's the stupidest excuse on earth, BA is hardly on the verge of bankruptcy, and crew salaries are only a small portion of an airline's expenses anyway. It is not by saving on our salaries that the company will avoid losses. There are better ways to save/make money like, say, good management? It is easy to mismanage an airline then blaming it on the CC because they earn too much.
When management want to save money, it is always our way they are looking, because they know it is relatively easy. Let's say no for once, and let them look another way.