What is important, to me, is the total amount of credit that is supplied to the economy. In the boom years, investors, trader-uppers/refis and FTBs each made up about a third of the mortgage market. Since then, FTBs have collapsed down to 15 or 20% with the majority of the rest being trade-ups and refis. So an increase in lending of 30% to FTBs is not going to pump the system much and may result in less credit being available for investors or refis.
Likewise with SME and green energy investment compared with overall business investment.
It also begs the question whether the 'increases' are to the much reduced figures of recent times or to some average from last year.
In short, I think it is a bit of a window-dressing dig out for the developers.