Two items in this article I would like to comment on...
"The politico, who is expected to stand down from Parliament at next year's General Election"
So hopefully this will be one of the last ill-informed rants he inflicts on the public.
"[W]e should not capitulate to the big communications giants: they cannot be allowed to get away with the absurd idea that they hold no responsibility for what is transmitted on the platforms they provide.
These companies may be transnational and are therefore not subject to the laws or requirements of any individual country. But those who run them have a moral responsibility"
BUT THEY DON'T HAVE A RESPONSIBILITY FOR WHAT IS TRANSMITTED ON THE PLATFORMS THEY PROVIDE!!!! They are friggin' telephone manufacturers or internet services, not our mothers! They don't have the organizational resources nor should they spend the time to track down whether I message or telephone people about my obsession over all things Hello Kitty, the Kickstarter potato salad recipe or how Adolf Hitler could have been a great man, but he was afraid to shed enough blood to truly realize the vision of an Aryan world order.
Next you will be arguing that tin can and string manufacturers have a moral responsibility because two kids use tin cans and a string to chat about how they should beat up the new kid who just moved in down the street. Or that knife manufacturers have a moral responsibility because inevitably someone is going to grab a kitchen knife and slash their spouse over some slight. These companies make tools, which are overwhelmingly used for good, but yes, sometimes they will be used for evil.
Freedom does not mean freedom from risk. It does mean that people have a right to be secure in their communications, thoughts and belongings. Exceptions to that should occur in instances where enough probable cause exists to issue a specific warrant for an individual or a tightly specified group of individuals who are possibly involved in some kind of criminality or intelligence gathering. Essentially demanding secret access to EVERYONE'S data and communications is simply a fishing expedition at odds with the idea of a free society.
And yes, terrible things will occur as a result of this freedom. Occasionally, new kids in town will get beat up and spouses will get knifed. However, to date these misfortunes have not been stopped by our intelligence community anyway. Plus, having a free society increases the interaction and commity of the society as a whole, which actually does prevent some of these problems from occurring in the first place.