It makes perfect sense as a threat if you believe you are the victim of the system, and therefore destroying the system hurts your enemy more than you.
We have similar things here, I grew up in rural communities who fantasized about the day all those spoiled lazy city folk would have to come down and beg the poor humble farmers for food, because then there would finally be justice.
Meanwhile all the federal and state funding was swallowed by the rich and powerful local authorities, while screaming about how the ciyfolk were all abusing them and never helped at all.
There is clearly injustice in the world, but we have a long history of exploiting this kind of hierarchical dissonance for personal gain.
Ukraine has made it perfectly clear, on many occasions, as have all Russia’s neighbors, that they hate Russia, and want to see every Russian die horribly.
The fact that they’ve been fighting like thay have for 3 years should be a hint. The fact that the first thing to happen after the invasion was nato adding more members should be another hint.
https://en.wikipedia.org/wiki/Izium_mass_graves?wprov=sfla1
We can have peace any time Russia wants, they just have to go back to their shitty country.