My hon. Friend’s point is well made. We are talking about centuries of progress. To bring things right up to date, the Prime Minister made a pledge in her Lancaster House speech, which was underlined in our manifesto—I can underline this again today on behalf of the Government—that the Brexit process will
in no way whatever be used to undermine or curtail the rights of workers that are enshrined both in domestic law and in law by virtue of the European Union.