Lest we forget... we the British created both Pakistan, and Israel. Of course, our current foreign policy isnt helping things, thats a given.
However, Im pretty sure that even if we packed up from the 'Stan and the Sandpit, brought all of our boys home, withdrew support for Israel and the US, AND took Rushdie's knighthood away...
...there would still be attacks on this country, probably for the reasons detailed above.