Ah yes, my grandparents, the landlords. Wait hol' up, they were working people, not landlords. GDR fucked them regardless.
"bUt tHAT wASn'T rEaL ComMunIsM" If neither the USSR nor China could achieve true Communism, then maybe it isn't so much a realistic goal as a utopian ideal, a convenient justification for all kinds of crimes against humanity that occur in its pursuit.
Communism isn't a series of sacrifices for an eventual greater good, Socialism is definitely better than what preceeded Socialism in Russia and China. The idea of True Communism can only be achieved globally, sure, and in the far future, sure, but Communism is about building towards that through gradual improvements.
You're implying that any progress forward is useless if it doesn't immediately achieve a far future society, it's devoid of logic.