Well put, but I think there's another clear strategy at play.
The first element is already happening, actually much like the pattern of terrorism response without the policing element, to limit the discussion to victim welfare - we must help these people, identify the dead, it's too soon to talk politics, investigations will be made when the time is right, etc - which buys a lot of very valuable time for political manoeuvring and preparation.
Once that can't be postponed any longer, it'll be all about the specifics of this incident, the more specific the better - the materials, the contractors, the unique elements of the case etc - and as far from the regulatory system and overarching, inherent, repetitive patterns as possible.
Then once that has soaked up as much as it can, great efforts will be made to frame any remainder in terms of progressive positives - how we will make changes to prevent this ever happening again, [as you say] how much money we're spending, etc - and very much not in terms of the historical failures, missed opportunities and so on.
Each of these will be a battle - to reclaim ownership of and recast in the appropriate terms.