This is a "can't lose" for Starmer. If it inevitably doesn't work exactly the way he wants, then he'll just blame the tech companies for not trying hard enough. Best bet here is to require that the government provide exacting requirements for what they want done and to hew to those requirements exactly.

Some form of malicious compliance is necessary here.

They are running a bi-election for a replacement to dump his arse, he's already out the door