"messy decision" is correct and usable in written English.
You could use it to describe a complicated decision that has a lot of moving parts and could have negative consequences. For example, you could say, "The government's messy decision to cut taxes while increasing spending will likely cause long-term economic instability."
And it is characterized by messy decision making that involves elaborate political discussions, intense media coverage, a tendency to rely on high-tech missiles and air power (even though they may not get the job done, or only get the job done at terrible expense) and a distaste for the use of ground troops who might actually get killed.
Since decisions are so common, messy decision processes create plenty of room for errors and misunderstandings.
Messy decision processes rarely have crystal clear endings, especially because messy processes often lead to re-decision the next day.
Getting shitty hands means taking messy decisions and being criticised.
This is how things work: with a swift shuffle, he asserts Apple's ownership of the music download market, and distances it from the messy decisions.
Percy Adlon, a documentary filmmaker in Santa Monica, Calif., and a friend of Mr. Koenig's, explained in May that the artist, who is 88, "didn't want to get involved in the messy decisions".
He was either dreaming or imagining his mom because that's how she probably used to talk to him in the mornings when he was younger, living with her, when times were simpler and he didn't have to make these complicated, messy decisions about how he was gonna take control of his life/career.
"While it seems messy, the decision is pretty quick and decisive, and certainly establishes a standard of behavior for syndicates".
The lasting influence of this tradition is seen in our modern preference for cost-benefit analysis, econometric evaluation of policy alternatives, and the conceptual separation between the messy policy decision process and the more technocratic administrative state.
But that invocation of tradition evidently did not carry the day when the justices met after the argument to discuss the case, raising the prospect of a messy, split decision that it then became the justices' collective goal to avoid.
But since the challenges the world gives us are messy, the decision to use a generalized machine to solve them necessarily entails a parallel and ponderous effort to represent the specificity of the world in the machine's terms the software.
