That's overkill. If Destiny sells 10 million across all platforms it will be a great start to a new IP, but it will be a huge loss to Acti if it "only" sells this much.
My guess: 3 million PS4; 2.5 million Xb one; 1.5 million PS3, 2 million 360 and ???PC at full price. I don't see it getting close to the equivalent of 15millionx$60. It might make 15 million eventually, but at millions of games will be sold at well below $60. But if it is well reviewed and well received I can see Destiny 2 being pretty huge and maybe making up the loss that D1 seems almost destined (get it?) to incur.
“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.” - Bertrand Russell
"When the power of love overcomes the love of power, the world will know peace."
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