Now this was a nation wide survey so maybe it does happen in all BP communities, and they were just more successful is suppressing reporting elsewhere.
Or maybe it is a north/south thing.
English communities are culturally distinct, which may be a factor.
Perhaps the BP communities are too.
There could be any number of factors that you and I are unaware of.

Perhaps we are getting somewhere on one point at last, Keith.

With the many "unknowns" that YOU acknowledge, do YOU (not Straw or anyone else) consider a "British Pakistanis do... because... " type statement reasonable?