Not by definition. It must be done knowingly with an intent to deceive. If one remains knowingly ignorant then I would think there is an intent to decieve.
I realize that I'm jumping in late to the party.
I see two subjective issues here. Perfection and bad. Try this supposition; we are perfect and there is no bad.
If it can't be measured then it doesn't exist in a 4 dimensional universe. The question is then where does it exist? Does it exist in a higher dimension inside(?) our brain?