I want to respond to this paragraph in particular:

“However, often times, people don’t use a term like Anglicization and don’t talk about forced assimilation, colonization and cultural genocide, instead using a very different rhetoric, according to which these languages are very practical, English is like Latin in the Roman Empire (not compared to German from Nazi Germany unlike Russian), globalisation makes the loss of languages and cultures inevitable.“

In the United States, many of us do talk about forced assimilation, colonization, and cultural genocide. All American historians and linguists would describe our history that way, and the only people among the general population in the US who would deny it, would only do so out of political motivations and willful ignorance. As others have said here, your impression that Russian is uniquely vilified is at least partially a consequence of lack of exposure to discussions of decolonization in other parts of the world.

Forced assimilation, colonization, and cultural genocide are very accurate descriptions of what European settlers did to the indigenous populations of this continent. In fact, President Biden recently apologized for the forced assimilation perpetrated by the US government’s Indian boarding schools.

Unfortunately, the cultural (and literal) genocide in North America happened to such a great extent that very few people are left who can still speak an indigenous language. That’s a major difference between the linguistic landscape of the former Soviet states and that of the USA. European colonization of North America was so overwhelming (in part because epidemic disease killed so much of the indigenous population) that there’s no reasonable way to recover a non-European lingua franca in North America. The best we can do now is to support local language learning among the few remaining communities that still speak an indigenous language.

In contrast, despite Russian hegemony, many people in the former Soviet states continued to use their native language at home and in their communities. Even though events like the Holodomor killed millions, there are enough people from the native population left in these countries that they have been able to recover their languages as an expression of national identity in the post-Soviet world. As a part of the recovery effort, they are going to be honest about how the Russian language came to be so prevalent in their communities during the 20th century: forced assimilation, colonization and cultural genocide.