Sabotage? Umm if it isn't working. Because the gas is off, or it's at decreasingly diminished capacity. Then the pipeline isn't being fully maintained. Therefore it sooner isn't operational. God damn it. Suddenly it's sabotage. And it's all, Latvia's fault?

A thought experiment:

Imagine that some months ago, deep in a bunker under the Kremlin, a group of Intelligence analysts was given the prompt, "What would happen if the Nord Stream pipelines suddenly blew up due to sabotage by parties unknown?" A few days later, something like this article is submitted as the response. Now reread the article in that mindset.

I suspect the planner running the meeting might have said, "Oh really? Does any know offhand if the Voyenno-morskoi flot has the capability to do such a thing covertly?"