I know it is "Sky News" but this is their evening headline
BA May Seek Tie-Up With Alitalia If Carrier's Restructuring Deal Goes Ahead | Business | Sky News
BA would be mad to get involved, even after a restructure. It would always be bogged down by labour laws.
In the present situation, BA should avoid any involvement with Alitalia. You cannot make a silk purse out of a sow's ear!