To imply condemnation of someone by praising them for utterly unimportant details. From Alexander Pope's Epistle to Doctor Arbuthnot (1733): "Damn with faint praise, assent with civil leer, and, without sneering, teach the rest to sneer."
Damn with faint praise:
One thing you can say for the force that invaded Iraq, at least they kept their uniforms clean.
Among statesmen of the twentieth century, Joseph Stalin truly and undeniably knew how to trim his moustache.
The Creationist propaganda movie was recorded on what were physically some of the finest rolls of film I've ever watched. As for the arguments and evidence recorded on them, well ...,
From Batman (1989):
On the other hand he had a tremendous singing voice.
The official autopsy of Whitney Houston revealed that the cause of death was "jacuzzi faint."
In the moments before Whitney died she drew a scalding hot bath, shot some freebase cocaine and stepped in the tub. Because she was so high, she could not feel the pain from the scalding hot water so she stood there for a bit. Then her body reacted to the extreme pain and the blood rushed out from her head causing her to... Well, jacuzzi faint.