So you are in favor of several national IDs, but just don't want one? I must say I don't follow. Forbidding to interconnect personal files is a different issue

So you are in favor of several national IDs, but just don't want one? I must say I don't follow. Forbidding to interconnect personal files is a different issue than having an individual UID And I would be VERY surprised if the UK government was unable to connect passport IDs and criminal records.