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As Brother Rush would say, "Stop the tape!"
In speaking to a reporter fish and chip shop owner Mohammed Mumtaz Tanweer, probably an immigrant, has such a command of the English language as to use the word 'orientation' in a semi-casual conversation? Has such a level of education as to use such phraseology, again in a semi-casual conversation, as "As far as I can understand, my son was more British in his orientation than... ?"
In short, no matter what your level of education, if it was your kid that died would you have talked like this?
I would assume that the father of this jihadist will be the one to inherit the money.
Yes, I might, if I were British. Detachment from an emotional issue is an British thing.
Also, many older people who grew up in the British Empire were educated in strict British schools where the standards of education were very high, frequently much higher than what prevails in England. They sometimes became more British than the British.