Unlike the current Autocratic regimes, like Putin's Russia, or Xi's China, the "Western Worlds" - whatever that means - don't hide or rewrite their History.

You haven't seen any "Western" leader try to justify Hitler's invasion of Poland, and the start of WW2, by blaming Poland and apologizing for Hitler, like Putin did... conveniently so, perhaps because of the role the USSR played in it? Which Russia likes to omit, you know, their alliance with Nazi Germany.. WW2 started in 1939, not in 1941 as Russia claims. Or maybe because Russia is now using the same false casus beli the Nazis used to invade Poland, so Putin needs to legitimize Hitler's claims and grievances?

Or perhaps China attempts to hide its own atrocities?

So that whole "imperialist thinking" propaganda logic seems very flawed, and more like an excuse the new autocratic regimes are using to expand their borders by force, and be themselves imperialistic.

The good whole "so only you could be imperialistic, and now we can't?! Hypocrisy!!!", disregarding that in their History, they were also imperialistic at some point too.

The world moved on in the meantime, you know, since the founding of the UN and such.

It's much easier to blame the autocracy's shortcomings on the success of others, by framing everything as "Western Imperialism", and the forced expansionism of autocracies as a "multipolar world".