Well Just Dance surely gave them a bunch of money. I wouldn't be surprised if the music licenses were more expensive than the dev costs. But they were also heavily advertised as well, so that probably ate away a good chunk of the profit.
Not to mention the fact that it is;
A: A franchise that has lost nearly all relevance over night.
B: The odd man out in Ubisoft's primary catalogue of games, making it the exception rather than the rule and certainly not the essence and pinnacle of Ubisoft's game development...
Guess three times who taught me that lesson in the UNITY thread?
End of 2016 hardware sales:
Wii U: 15 million. PS4: 54 million. One: 30 million. 3DS: 64.8 million. PSVita: 15.2 million.