Meh..
We’ve been murdering people all the time. OK, Ukranians are white, sure, that’s unsettling to many but how is what he’s doing (on his own border mind you) so different than what we’ve been getting away with?
When your backing the side that has the support of the fascists, you ought to question taking sides.
The "All (or huge majority) of Ukraine consists of Nazi/antisemite/fascists" theory is beginning to sound a lot like "All Democrats are communists".
It reeks of conspiracy theory nut-f**kery.