Because that's the name it was given by the Ukranian peoples that survived it?
Then why don't we use any Indian names for the very many famines in India due to British occupation? Why do we call them neutral names like "Bengal famine" and not "exterminatron 3000"?
millions of "lives saved" (pop quiz: how do you measure that?)
Demographic extrapolations and comparative economics. Example: Brazil between 1930 and 1960 went from 36 years to 52. USSR went from 30 to 65. By comparing the evolution of socialist life metrics with capitalist life metrics at starting equal levels of development, you can find out that socialism massively boosted life metrics. You can also compare with the country itself in pre- and post- socialist times:

Surely you, so concerned with Ukrainians, knew about the horrifying demographic crisis caused by the capitalist restoration? The millions of lives lost and ruined by unemployment, suicide, malnutrition, defunding of healthcare and treatable disease, alcoholism, drug abuse and violent crime. Now, compare the hiccup in the graph in the 1930s, with the unrecoverable drop after 1990. And look at the vertical axis.