That certainly explains the huge difference in reaction in Germany and the US when Russia attacked Ukraine (so, even though they weren't targeted on their ethnicity the victims are mainly Whites) compared to their reaction to the many times more deadly, very explicitly about ethnicity Genocide, being committed by Israel in Gaza were the victims are mainly Arabs.

In the Mainstream the Racism got disguised over the last half a century or so, but for most people empathy with the very human pain and suffering of others is filtered by a "could it be me there" filter.