Strong management take their work force...
Indeed you are quite correct. However, if your understanding is that the management "are not up to scratch" - and you could be right - will a strike help? It is only the other side of the coin to a "lock-out". Neither has ever produced the desired end result.
The unions must be saying to the management " Conciliation did not work. We suggest another urgent meeting to see if we can reach an agreement that will give the company aircrew terms that mean that they that are not hostile to your plans and that make them feel part of the future and recognised for their contribution by the company."
There has to be a route forward - striking is a backward step.
How would you feel if the company decided to hold a "lock-out"? Co-operative? Co-erced? Stubborn?
I have to say that if the company will not even see the union - and I am taking your word for it - then they feel that there is nothing constructive that can be said. The union now have to kill that idea and promote themselves as being part of the solution, not the problem, and an essential player in the future of the company.