This isn't really related to your main point, but it's disingenuous to describe the freezing of Landbanki's assets as a use of the "terrorism act" just because

This isn't really related to your main point, but it's disingenuous to describe the freezing of Landbanki's assets as a use of the "terrorism act" just because the legislation had "anti-terrorism" in the title. The Anti-Terrorism, Crime and Security Act is pretty wide-ranging, and as well as whatever anti-terror legislation it contains, also contains some legislation around economic security - which is what was used in the case of Icesave.