Innocents will only be hurt during the transitional period before they learn that they should avoid relationships with patent trolls for the same collateral risk reasons they avoid befriending gang members, child-molesters, and other anti-socials.
Oh, well, if we won't be hurting them forever, that's fine then.
When we're talking about independent outlaw actors, as opposed to the law and justice that you invoke in your response, then no, I don't think it's too high a standard.
Mostly, but not absolutely. Unnecessarily exposing the existence and whereabouts of someone's kids for what amounts to little more than vandalism and tagging, yes.