I am actually engaged in pointing out the hypocrisy of other people here, Runes.
The big picture that you seem to have missed is that NI is a part of Britain, and policies there were either rubber stamped by Britain (before direct rule) or directly administered afterwards.
MT, the harshest of British PMs when it came to NI, who succeeded in NI because she stated openly that she didn't give a toss about global public opinion, was re-elected how many times?
Now you can argue that nobody liked MT all you like, but you will search long and hard for evidence that her NI policy was opposed by any political party in Britain. In fact, MT continued the policy she inherited from Labour (Ulsterisation).
Successive British governments in NI carried out their policies safe and secure in the knowledge that nobody in Britain would be interested enough to protest.
British people supported successive British governments in NI. It seems to me the reason for that was that British people were well able to understand that what they were dealing with was real, live, three-dimensional terrorists.
I suggest that closer acquaintance with Hamas would reveal they are also three-dimensional.