She didn't want it tracked to her home 'puter!
If preventative police action was actually part of the program wouldn't several if not many of the attacks by muslims on innocent people have been prevented? The underwear bomber, the brothers Boston, and others seem to prove the point.
Listening to Congressmen extol the virtues they seem to find in secret laws with secret courts, approving secret programs while certain political enemies are targeted also in secret doesn't even attempt to pass the smell test.
No, I think the spying is all about building that legal case against whatever political target may be of interest. Whether that explains the Rino republicans or Marco Rubio, or you or me running for some future office being confronted with the most embarrassing revelations in public. It's a tool that shouldn't exist, let alone one we're paying for.