Before digital artifacts, nations had to identify the individual, and get access to their writings to determine culpability.

With digital artifacts, nations have enjoyed the ability to go to third parties to for the last 40-50 years to get access to individual's writings as a shortcut.

This is just a return to the mean. It is not novel or controversial to say "identify the individual, and get access to their writings" in whatever legal way that nation prescribes. Good luck, since their devices may be locked, but going after the individual is real law enforcement