The level 5 advice is being advised once by NPHET, this time for six weeks instead of 3 weeks. In the face of increasing cases and increasing admissions to hospital this really puts it up to government.
I hope we dont descend into a finger-pointing blame game. This virus is not with us a year yet. Relatively few people (1%) of the population have contracted it so it is understandable that people dropped their guard with the unwinding of measures in the Summer.