The truth is, the commitments outlined above are more about PR. They have little to do with welfare changes. Hasn't the objective of social housing been to meet these commitments anyway, and hasn't it been so for a considerable time now?
It's a bit like a supermarket saying its going to stack edible food, which is appealing and offered at low prices, in response to the economic downturn. When this is what they were proclaiming to be doing beforehand.