“We believe the prerequisite for meaningful diplomacy and real peace is a stronger Ukraine, capable of deterring and defending against any future aggression,” Blinken said in a speech in Finland, which recently became NATO’s newest member and shares a long border with Russia.
It’s probably why Russia invaded Crimea in the first place. Otherwise it’s not all that useful.
Or you know it could be that Crimea is primarily populated by Russians and the regime the west installed after the coup was actively doing pogroms against Russian speaking people in Ukraine.