Consider an analogous situation. Republicans are up in arms because [they believe] right-wing groups were targeted by the IRS for political purposes. No one is proposing that the IRS be dismantled, or that its purpose is illegitimate, but rather its improper use as a political tool of the executive branch is wrong and possibly criminal.
Similarly, I'm sure Hoekstra has not changed his tune a bit regarding NSA surveillance in general. The scandal is using the intelligence apparatus as a political tool.