Genocide is very rarely a local crisis.
"Russia isn't genoci..." Yes. Yes they are. They are committing genocide against the Ukrainian people by all legal and colloquial definitions of the word "genocide".
Here are several hundred instances where Russian politicians and media figures called for genocide: https://www.justsecurity.org/81789/russias-eliminationist-rh...
If the United States invaded and tried to annex Canada through sham referenda held at the point of a gun after a years-long campaign to vilify them as commies, promised to destroy its national identity, and relocated its children south of the border for Americanization and reeducation, people's tones would be very different.
> but western propaganda portrays Russia as wanting this
In the above link there are several hundred official statements from Russian politicians confirming that they indeed do want this.
With links to the statements.