The source presents Angola through its history as an important coffee producer and the disruption associated with civil war. It also discusses robusta and its place in trade with Portugal and Spain. That background helps explain the agricultural story, but it does not establish today's production total, availability or the condition of coffee from every producer.
A robusta designation identifies the coffee species category, not an automatic low-quality verdict. Ask how the actual lot was harvested, processed, sorted and stored. A broad description of a neutral cup is not a substitute for a sample or a roaster's current tasting record.
When evaluating an Angolan offering, keep historical statistics attached to their dates and concentrate the purchase comparison on the bag in front of you. Producer identity, harvest, preparation and roast provide a useful starting point. An origin's past scale or later difficulties cannot determine the experience of every present-day coffee, and this researched profile does not claim firsthand testing of a specific lot.
The conversation
A good question can make a better brew.