A Home Office spokesperson got in touch to say: ..."The Government believes ..."
Hang on, the Home Office is not the Government.
Of course, a Parliamentary Select Committee is not the Government either. But they're rather more likely to be be impartial (multi-partisan).
Oi, SadJav - Until you have the governance in place, stop the snooping. Allowing it to continue until the courts rule is "pre-empting the outcome of this case".