[kelnos]

Replace "fake" with "pointless", then. Or if that sounds harsh, "unproductive".

[missinglugnut]

Let me suggest "unhelpful".

That's my word for when I don't want to spend time judging a thought/concept/emotion but do want to point out it's not taking me where I want to go in life.

[D-Coder]

"Nonoptimal" is my preference.