Finland was a democratic country that the Soviet Union invaded, and they cooperated with the later Nazi invasion of the Soviet Union.
That seems more akin to the US allying with Stalin against Germany. They were allies of strategic convenience and it didn’t mean that the US approved of Stalin, gulags, etc.
By contrast, this was a group in German- occupied Ukraine who enlisted in the literal SS. History isn’t black and white, but at best this is a very dark shade of grey.