I somehow got confused. okay. Here is another analysis of the main arguments.
1. We have related languages.
Yes, and our language is also related to Hindi and Persian. This is called the "Indo-European family".
2. We have the same anthropotype.
What is the anthropotype of Europeans? There are Nordic and Mediterranean. We are closer to the Nordics. But Italy is in the European Union and no one claims that Italians are European (the Romans - the founders of Europe - were dark-skinned Mediterraneans). And the Ural peoples have the same basic Nordic anthropotype, but not all of them live even geographically in Europe. A European is definitely not an anthropotype.
3. We have similar genetics.
All the peoples who lived nearby and had connections have similar genetics. Genetically we are very close to the Poles and quite far from the British and the Spanish. Just like on the map. And the Poles are far from the British. There is no genetic portrait of a "European".
4. We have one religion, Christianity.
Europe has long been united by Catholicism. But Ross didn't accept him. Still, Byzantine Orthodoxy is not quite the same. There are Christians in Africa and Asia; Many of Genghis Khan's Mongols were Christians. The origin of Christianity in the Middle East. It is clear that this is not Europe's right.
5. We have one culture.
That is true. This is called globalization. Now there is one culture everywhere. Life in a modern big city is the same everywhere. Globalization happened to us earlier than to Thailand, the difference is noticeable. But Russian culture had non-Western origins and roots. And it still retains its essential properties.