These are propaganda coups for the Russians. They’re dragging anchors and getting away with it.
Can’t EU countries block Russian vessels navigating the Baltic sea?
To access the Baltic sea from the North sea any ship must cross the Danish straits. Same question.
It gives the impression they’re winning and makes the EU and NATO look weak.
The only country sinking russian war ships is Ukraine. US betrayed and EU won’t do much of anything to really help beyond bare min required to save face.