Why did the Grenfell Inquiry take so long to tell us what we know already?

Predictably enough, and not unreasonably, the 1700-page final report into the Grenfell disaster apportions the bulk of the blame with the companies who manufactured and sold the flammable cladding and insulation. 

What has emerged from this inquiry is astonishing: you hardly need a degree in engineering to work out that it is not a good idea to wrap a tower block in combustible material. That manufacturers seem to have ‘deliberately concealed’ the risk that their products posed is something which is almost inevitably going to be picked over further in the courts. Why it has taken seven years to produce this report – thereby holding up possible criminal cases – is itself a scandal. As ever with our drawn-out public inquiries many of the guilty parties will no longer be around to face the music, at least not in the roles they held.

The report doesn’t spare, either, the London Fire Brigade, which is accused of a ‘chronic lack of leadership’. In