Well, yes, one sort of sees what she means. Killing thousands of people in Manhattan skyscrapers in the name of Islam does, among a certain narrow-minded type of person, give Islam a bad name, and thus could be said to be "anti-Islamic" — in the same way that the Luftwaffe raining down death and destruction on Londoners during the Blitz was an "anti-German activity." But I don't recall even Neville Chamberlain explaining, as if to a five-year old, that there is nothing German about the wish to terrorize and invade, and that this is entirely at odds with the core German values of sitting around eating huge sausages in beer gardens while wearing lederhosen.
Still, it should add a certain surreal quality to BBC news bulletins: "The Prime Minister today condemned the latest anti-Islamic activity as he picked through the rubble of Downing Street looking for his 2008 Wahhabi Community Outreach Award.