The competency crisis will also affect Excel down the line, just like it's affecting Boeing spaceships and planes and everything else the new demographics touch.
People only use Word or PowerPoint to do a small part in a larger job.
Many people live in Excel and spend much of their day-to-day in it. When Microsoft introduced the ribbon, it was the Excel crowd that was, by far, the loudest and most vocal. Excel has the Microsoft Excel World Championship, a legitimate Esport.