Does it justify killing and robbing civilians? Once again, they didn’t fight communists all that much, preferring to prey on women аnd children.
The critical difference is that Stalinist crimes are universally condemned, thousands of perpetrators put on trial in 1950s, the rehabilitation panels working since 1956 to this day.
Ukrainian nationalists are perfectly okay with their crimes, ereciing monuments to Nazi criminals and even continue their practices.
The last Odessa massacre took place in 2014, everything is on video, there are eiidence of government complicity and nobody is prosecuted.
Also the war in Donbas with 13,000 civilians killed.