>>The government will likely end up paying for the majority of patients with HCV, so at least from that perspective it's not exactly none of their business.
Quite right.
Of course the government is likely much better off paying for the CURE (Sovaldi) than long term chronic treatment without a cure.
Plus, the government also gets taxes on the income Sovaldi earns.
:-)
Always trade-offs.
ij
PS - Don't forget all those highly-paid scientists* that biotech and drug companies employ.
* and lawyers, accountants, engineers, manufacturing employees etc etc