What would they have done, even if they agreed with him (as Sensenbrenner indicates).
Snowden going to ANYONE (even congress) violated the rules.
And if a sympathetic congresscritter agreed with him, the only route left would still be exposure to the public, because the oversight committees had already approved the activity.
Making the oversight committees a shadow government.
If the Patriot Act is more limited than the oversight committees approved activity as Sensenbrenner (the author) believes, then the real authority is the oversight committee, and who in their ranks would expose it?
There are people who think that what the NSA was doing was OK.
This begs the question, "OK by the law, OK by the Constitution (may God bless and protect it), or OK by their own wishes.