The source discusses several coffee categories in the Philippines, including robusta, arabica, liberica and coffees sold under the name barako. It also names growing areas across different islands. That range is a reason to seek a more precise product description rather than expecting one uniform Philippine coffee character.
A familiar local name and a botanical identification are not automatically interchangeable. Ask what the producer or seller means in the context of the actual lot, and read any processing and roast information supplied. Old national percentages and broad statements that one species is inherently lower quality do not establish how the coffee was prepared.
For a useful comparison, choose identified coffees that let you investigate a real difference in origin, species or process. Keep the brewing method consistent and record the result. The source's historical account of disease, market changes and planting programs adds background, but it cannot supply a current ranking or a cup score. Clear lot information allows the diversity of the origin to remain visible.
The conversation
A good question can make a better brew.