It's almost like Turbo Pascal, Delphi, and Object Pascal never existed, yet many applications were written (and are still written, in the case of Object Pascal) in all of them.

It's the same thing with the XBase languages like dBase, Clipper, and FoxPro.

I'm not sure if it's just poor research skills with such articles, or just a general ignorance of PC software development history, but these languages and products were an integral part of the PC revolution.