"So is Levin endorsing racial profiling and deporting Muslims?"
In post WWII Germany, the allied forces conducted de-nazification," of every German citizen.
That is right. They screened everybody, searching for loyalties to nazism.
Britain has memory of this process, so shouldn't find it difficult to brush off the procedures manuals, and go to work.
Small potatos to screen only 2 million muslims residing in the UK, compared to many more millions of German citizens back in the late 1940s.
The Beeb and The Guardian aren't gonna like that!