The core issue here is that privacy concerned looks the same to police regardless of motivations - criminal or principled. That does sweep up innocents in the

The core issue here is that privacy concerned looks the same to police regardless of motivations - criminal or principled. That does sweep up innocents in the net. But at same time if police see a strong correlation with criminals then focus on it from their side seems logical too. Forcing them to intentionally be blind to that sort of correlation seems insane too. Tricky