Overdosing on fear and becoming numb to it is a feature, not a bug. It's a specific propaganda technique used by Vladimir Putin to create so much chaos and churn that people don't know what is true, and begin to tune out or just become cynical and blame "all sides" for the problem (you did it in your post, there is a sort of social pressure right now to create equivalence on these things).
It's a perfect technique in the age of too much information. Authoritarian regimes of the 20th century were about restricting information - those of the 21st are about creating so much noise that finding truth begins to feel meaningless.
The Russian "firehouse of falsehood" propaganda model: