Wow, someone has their panties in a bunch.
Temps and noise measurements say that CLCs in the same price range tend to perform worse to comparable, and run louder.
In what way is that wrong?
By all means, blind me in the light of your all-encompassing intelligence. I'd love to be even a sliver as enlightened as you are, Your Majesty.
They're not as popular as some other types of casemodding, but there's a decent sized carpentry focused niche in the community.
My plan is to build a Mini-ITX system as small as I can manage 
So something like an AIO or a Noctua L9A is what I would go for.
Yeah, they make sense in that use case. Extreme (daily) OC's in SFF cases can be tricky if you want to keep noise down though.
Mainstream form factors really don't need them though.