You're both right. The Home Secretary's statement that no action will be taken can form the basis of a 'legitimate expectation' which is enforceable by judicial review if a future government changes its mind.
Would I risk that, given current government threats against both refugees and the continued availability of effective judicial review? I'm not sure. Probably not.
Would I risk that, given current government threats against both refugees and the continued availability of effective judicial review? I'm not sure. Probably not.