Seems like we share the same sentiment where the red delicious is concerned.
> The Red Delicious is no longer the dominant apple in American orchards, the U.S. Apple Association said last week, after lasting five decades in the top spot. The Gala apple is now first;[0]
[0] https://slate.com/human-interest/2018/08/red-delicious-apple...
Source: https://www.theatlantic.com/health/archive/2014/09/the-evil-...
My grandma has lived in Yakima, WA (major apple producer) for 80+ years and tells me all the time that the red delicious used to be a good apple, but was changed with the goal of being prettier, but lost flavor/texture.
Even the article you linked agrees:
"But as genes for beauty were favored over those for taste, the skins grew tough and bitter around mushy, sugar-soaked flesh. "