Here is the thing....
He might actually have a point. Europe may be making trade deals that help fund the same country that is waging war in Ukraine. (I also think the Nordsteam pipeline was rather silly, bringing in Russian natural gas to germany.)
If it were any other administration making this criticism, it would be worth listening to. But since it is coming from the Trump administration (people who have been overtly friendly to Putin, and who seem intent on maintaining oil dependance with their "drill baby drill" attitude), it is hard to take them seriously.