It is a crime against humanity to cut water supplies into populated areas. What would your state do if water was being diverted away from Los Angeles by Canada?
That's what the Western propaganda machine pushes (I'm Western too, certainly not pro-Russian) but do you really think that there is no rational Russian justification from the Russian perspective?
Justification for what? If Russia wanted to support russian ethnic people in Ukraine it would not invade Ukraine, but offer non-destructive help to those people.