Suppressing the middle class, nationalizing industries, disaffecting business people all contribute to tanking their economy. Didn't the cutting-off happen AFTER all that?
This is the modern narrative for revolutions in Latin/South America? "Middle Class", really? Because well fed people providing for their families decided to take up arms? Or because the well-fed were a tiny minority, and the rest lived in poverty under the economic oppression of former colonialists?