The things you mention are already illegal. The effective proven solution is to enforce existing laws, to punish and deter bad behaviour like any other crime.
This incongruence is why a lot of people don't take the reasoning at face value and see it as only rhetorical justification for increased surveillance, which is widely understood as something the state wants do do anyway.
This incongruence is why a lot of people don't take the reasoning at face value and see it as only rhetorical justification for increased surveillance, which is widely understood as something the state wants do do anyway.