That's true, but only because of how bad the 20th century was when it came to mass murdering psychopaths; we had Hitler, Stalin, Mao Zedong, Pol Pot, the Vietcong, Muammar Gaddafi, Saddam Hussein, Osama bin Laden etc.There are a lot worse than Castro out there.
...Bush
Beat me to it current number of innocent civilians killed in Iraq alone is 251,000.
Bush?
FFS, Gecko and Hobo. FFS.