Incognito,
Two issues here, from the original post.
1) The Tsar-Martyr Nicholas II. There are several classifications of Orthodox saints, as you probably know. One such class are the martyrs and confessors. Have you read any biographies of Tsar Nicholas II, or his published correspondence? He was a devout Orthodox Christian, and a remarkably humble man, despite being the wealthiest person on the planet in 1917. He attended the divine liturgy almost daily. He and his family had the opportunity to flee from Tsarskoe Selo to Livadia during the early days of the October Revolution, but he deliberately chose to stay in Holy Russia, where he was the annointed, Orthodox sovereign of the Empire. He was born on the day of St. Job the Righteous, and had been advised by an elder in his youth that this was a portent that he was destined for martyrdom. His ultimate fate was strikingly parallel to that of St. Job. Unfortunately, most of our Western ideas about the Tsar have come to us from Bolshevik propagandists, who also denied for decades that Lenin had personally ordered the execution of the Tsar and his family.
2) Father Seraphim Rose. The saints are those who have acquired the Holy Spirit through the sacramental life of the Church, and the keeping of Christ's commandments. Some have also acquired crowns of martyrdom. It appears to me that the life of blessed Father Seraphim was a living sacrifice to God, which bore much fruit. I know, anectdotally, of at least one major miracle attributed to the intercession of Father Seraphim, and there may be many others. He is certainly venerated by many of the Orthodox faithful as a saint, which has always been the pattern of "beatification" in the Orthodox world--rather than having smoke signals sent from a chimney in the Vatican. If the ethnic Russians appreciate him, good for them. He certainly seemed to be a pivotal figure in bringing the grace of Russian Orthodoxy to modern America.