They don't care. It's meant to muddy the waters, confuse people who only pay attention to world affairs on the surface level. Repeat it, and people remember it. Doesn't matter who responds to you. Doesn't matter what they say to refute it. All that matters is getting the material out there, making it pop, making it catchy. Then all you have to do is rely on spotty human memory to do the rest.

It's even better when you get third parties passing along your propaganda too, and all the implications it drags with it.

"This is not war of Russia and Ukraine. I am against such definition. This is Putin's war."

- Boris Nemtsov, before he was shot on bridge near Kremlin wall

No one is saying that in good faith. I've only ever seen it as an idiotic straw man to attack people who don't support escalation in Ukraine.

You can see that Russia's actions are irreconcilably evil, and still not support Western military intervention in the area.