The thing that struck me about the London attacks was not so much that these terrorist pigs were born-and-raised Btits, but that they lived in "Muslim communities" or "Arab neighborhoods".
While there are areas in the US, like Dearborn, MI and Jackson Heights, NY, where there is a significantly higher density of Mideasterners, this is by no means exclusive. The dispersion of this subgroup into the general population may very well be a deterrent, albeit an accidental deterrent, to extremist conspiracy.
Conversely, of course, this may mean nothing at all.
The dispersion of this subgroup into the general population may very well be a deterrent
How do you do that?