You say that because I don't know the real situation in the Russian army. You just repeat the thesis that inspired you Putin TV. Poorly trained army armed with the old weapons does not scare anybody. Nothing you can't do against Ukraine.
Perhaps you are still stuck in the 1990s. The army has been strengthened ever since Putin became the president. The results are out there for everyone to see. Look at the performance of the Russian army and air force in Syria. Is the Ukrainian army capable of doing anything like that?