According to the same logic anyone who is not Chilean shouldn't talk about capitalism since they experienced a brutal dictatorial regime with neo-liberal economic policies.
Oh, I'm no fan of unfettered capitalism either. When taken to the extreme, both capitalism and socialism are very, very bad. But the way I understand it, communism is inherently
extreme, due to its goals. And even worse, it's basically impossible in the real world above the city-state level.