With Ukraine, hundreds of countries are all seeing the same thing, independent journalists are watching.
There is no justification for escalating to a war which is what Putin has done. If he had sent troops into the regions already contested you could maybe argue that (even then it would be tenuous).
We all have our biases, I wonder if journalists are so diligent to be thorough and re-evaluate things they assume to be X to make sure it's really X, but I doubt it.
Western media isn’t controlled by the state but frequently acts in service to it. See Manufacturing Consent, by Edward S. Herman and Noam Chomsky.
I'm not naive (but far from an expert). There are all kinds of problems with western democracy, capitalism and the media (in no particular order).
There is a vast difference between the 'western media problems' and the propaganda coming out of Russia though.
The narratives around refugees in Australia are a very good example at least one of the problems with western media. Referring to refugees as 'Illegal' has led to them being locked up off-shore for extended periods of time (6+ years in some cases).