They are more worried about people having the ability to add arbitrary data to the blockchain and using that ability to store <hidden> messages and storing <Child Porn> images. Un
fortunately people wo
uld and
can exploit ANY technology for these types of things. It's a good thing for them, to
keep up with the technological advances, and to counter these possible threats.
Gavin Andreson and his team are more than willing to help authorities to stop the blockchain from being polluted by these t
ypes of criminal acts, but the problem w
ould be to get rid of it, once it's done.