This another round of pass the parcel fines.
The inquiry runs on funding, does it not. It's not a for profit or a rogue independent charity making a nice little earner for those managing it and only good works as a by product.
Here's your speeding ticket, pay now, you'll get most the money back once it's been round the tumbledryer for a while. Bollocks
Fire everyone responsible, start again with all new staff, repeat as necessary if/when they blunder.
I'd also recommend criminal proceedings, after all 'this was a crime against the most vulnerable in society' or somesuch...