And .... that justifies Castro's murderous tyranny, does it? 

" .... the triumph of the "26th of July Movement," which many Cubans expected would return their country to a constitutional government. Fidel Castro had other ideas of course, and within weeks he hijacked the victory, converting the country into one of the most repressive states in modern history."

http://www.wsj.com/articles/SB113590852154334404