Yeah, double flame-out is not much of an option.
48-hour and 30-day reports are mandated. They could "find" something before after that necessitates immediate action; there's no reason it has to happen before or after either of these gates.
As for the "Dog and Pony Shows" of BA presenting some of the crew: there's no need to suggest that means they were or were not heroes (although the initial report makes it difficult to suspect they were at fault). But, in a moment when the press is desperate for something, sometimes chucking them the least bone possible helps. Situations like this are huge information vacuums, and the slightest whisper will be amplified to huge proportions. If you give the press access to authorities quoting non-controversial facts (Such as "It was a team effort"), you give them something to say without forcing them to probe the web forums (and come up with lines such as "unlike their commentary on any thread involving Iberia pilots, Ppruners were unequivocal in their praise for the pilots").
So, in short, don't read anything into the presentation or not of the crew to the press. It's not dictated by the facts, but by
PR strategy.