IMHO, the PCC is barking as loud as he can, for as long as he can. Proof of the pudding is when the contracts run out, until then we'll have to listen to his table banging rants. Lets wait a while and see how he stands up against The Home Office.
Not knowing the detail, but as far as the mutual aid request goes, why would that be a tougher call than normal? Anyway, if SW didn't want to do it, I know a unit that would