Because Russia is innocent by definition. That's how Russians actually think.

It’s hard to see how Russia’s neighbours will avoid war long term if attitudes like this exist in any significant number. It’s pretty grim.

If Iran launched drones againt Israel and Israel shot down a civilian airliner ... how would that be spun

If Israel invaded and annexed parts of Iran and openly demanded Iran as a state was destroyed? Pretty obvious.

Like they are doing to Palestine ?

That’s how a large percent of the Us seems to think too