The more Parliament and government focus, as central agencies, on having careful, very super-onerous transparency and accountability mechanisms, the more it also discourages decision-making at lower levels within the department, because nobody wants to take a risk, so they push up that risk.
That means you also necessarily bureaucratize the entire decision-making process through the entire hierarchy of the department, precisely because civil servants will become significantly risk-averse. There are trade-offs that government needs to make. Government needs to ask whether, for instance, we have the trade-offs right with the effects that government is looking for versus what it is actually receiving—