Good propaganda does not work on "entirely lies". In order to be more believable, it contains some shreds of truth and also some omissions.
Bandera was not a nice person, but neither were the Russian rulers whom the current Russian government lionizes as great people. As for Nazism in general, Wagner Group was founded by an actual Nazi.
The best bullshit always has a little bit of truth mixed in. Still not a justification for invading, and still just a cover for his, and Russia's overall, imperialistic ambition.
Bandera was not a nice person, but neither were the Russian rulers whom the current Russian government lionizes as great people. As for Nazism in general, Wagner Group was founded by an actual Nazi.
It all boils down to Lenin's "Who? Whom?"