The USSR was also exporting grains as their own people were starving.
Churchill said that the Indian famines were the fault of Indians for "breeding like rabbits" and Stalin said that the Holodomor was the fault of Ukrainians for being "kulak saboteurs". The same dismissive and inhumane attitude shines through. They knew what was happening, they knew that they had the means to stop it, and they chose not to use them.