Suppressions of freedom of speech are evil, but not only because they prevent us gaining knowledge. It also punishes innocent activities to protect others against fourth parties - an obvious injustice.

"Finding in Volkswagen's favour, Mr Justice Birss said he recognised the importance of the right for academics to publish, but it would mean 'that car crime will be facilitated'."

If "crime would be facilitated" is to be the criterion of suppressing communications, there can be no digital security and no freedom of speech.