[r00fus]

Unfortunately, the NSA/FBI likely have far more money than Apple, and if Apple spends too much, their shareholders can demand that leadership backs down.

Tim Cook is responsible to his BoD and shareholders.

[dahauns]

The NSA has an annual budget of ~10B, the FBI even less.

In comparison, Apple had a net income of ~50B in 2015.

Let that sink in for a moment.