> No, CRISPR will not be used be teenage hackers in the future to infect humans and keep them hostage. CRISPR can’t be “spread” or “transmitted” and is a local technique to introduce DNA snippets into the main genome of the organism

I think most people, if not everyone, already got this.

> viruses have already had DNA editing machinery for millennia

But humans never had it. That's probably what creeps everyone out.