I did actually make a very long and considered post pointing out the cockups and the ambiguities - but the post eater got it.

There is an ambiguity about "culpability". I am not yet convinced that there was genocidal intent. As to negligence liability, hindsight is not a proper test, but in the light of what we now know some things were stupid.

Cancelling the soup kitchen programme was stupid.
Failing to control profiteering was stupid.
Providing intervention food at the market price was stupid.
Failure to control evictions was stupid - an obvious cause of the deaths from disease.
Rigid adherence to free market theory was stupid.
Failure to control rents and interest rates was stupid.
The detail of the public works programme was stupid.
Trevelyan's god-bothering rantings were stupid.
Providing uneatable food was stupid.
Failure to assist fishing was stupid.
Pretence the UK government did not know was stupid. Either they did or they should.
Pretence that a senior enough civil servant cannot affect government policy was stupid. It happens all the time.