> Explain why only the "Russia did it"-spiel is allowed here.

Because

A) Absolutely nobody fucking else would have any reason to? and/or

B) They're the one with a decades-long habit of doing shit like that? but,

C) Hey, "allowed"?!? Is anyone deleting your alternative (=P-burg Factory) "spiels"? only,

D) Be prepared for them to be laughed all to Hell like they deserve. and...

E) ...to be categorised as a Putler-propaganda troll. To paraphrase a great philosopher, Putler-troll is as Putler-troll does.