Even with such an Enquiry, its "terms of reference" will be carefully decided by The Powers That Be. That into the tower-block fire in London (Grenfell Tower), as far as I remember, did not consider the matter of appropriate exterior cladding. Consistently, too, there's a long, long delay before "findings are published". Remember Flood, Moriarty and Mahon, and the Legal Teams milking the State.
The American Economist JK Galbraith noted, about sixty years ago, that the advantages of continuing specialisation and delegation, numerous sub-groups &c., namely, the ability for societies to achieve ever higher Standards of Living and quality of medical knowledge & expertise, were accompanied by the fact that no-one could ever be held fully accountable for anything....

Oh, and we'll also hear how "lessons will have to be learnt" so that "this can never happen again". And keep cheering for "our NHS". Because "we're all in this together".
But some animals are more together than others.