Effective means "has an effect". i.e. you cannot put a piece of paper in the box with the words "this is a technical protection mechanism" and claim it is. Bu

Effective means "has an effect". i.e. you cannot put a piece of paper in the box with the words "this is a technical protection mechanism" and claim it is. But it doesn't mean that what you do has to be infailable, or meet some arbitrary level of doing it's job well, no.