Good for them. Better integration obviously, but even more important, when ruzzians will invade, they won't have as easy logistics as in Ukraine. War logistics can be structured very differently, and unlike for example USA, ruzzia moves all of their assets on rail, due to immense distances and shitty road coverage. The major battles in Ukraine were over train lines and connectors, for example coastal Crimea to Azov line, or major lines in Donbass region. And in those areas they has success which they managed to protect later on. While in the areas with bad rail access, they lost spectacularly due to logistics, like north of Kyiv.