It is the Stockholm Syndrome there and Drummer Rigby is not the least bit avenged by the island that one had great leaders such as queen Elizabeth, Winston Churchill, and Magaret Thatcher.
Other than jailing both men for a whole life tariff.
Frankly, the US numbers of jailed Muslim terrorists is less than the UK. The UK has jailed its extremists whilst the US seems to jailed a handful.
And it took you ten years to kill Bin Laden, when the SAS could allegedly have done it in 2001 (but were allegedly ordered to stand fast whilst your SF passed through and killed him).
As to Stockholm, some of us are old enough to remember how gooey y’all got about the IRA.