Basically, Russia's goal is not so much to cut some cables but rather to create fear in order to reduce support for Ukraine. A loud public response is not necessarily in our interest because it makes their attacks more effective.
You've got to wonder if it'll work out well for them. They basically want to take control of Ukraine and this sort of stuff is just going to have Europe saying sod that.
Basically, Russia's goal is not so much to cut some cables but rather to create fear in order to reduce support for Ukraine. A loud public response is not necessarily in our interest because it makes their attacks more effective.