What's odd about it? Why wouldn't he be proud of his team for successfully building stuff he thought was important to build?
Strictly restricted? Of course not. But for what it's worth I've been told by numerous Europeans that they perceive casually throwing around extreme hyperbole to be characteristically American behavior. I guess it goes with waitresses pretending to love you.
One definition for "insanely" is [0]:
> to an extreme degree.