The masters of every subject say stuff like this, and it's really just a type of myopia of the craftsman. I work in manufacturing and people tell you shit like this all the time.
Imagine a 19th Century Car Driver:
"People who think learning to drive should be relatively easy are missing the mastery required for match-rev shifts, air-fuel mixture, spark management - not to mention the intricacies of debugging your carburetor on the side of the road."
Programming will continue to be made more accessible, as is the apparent trend. Nearly no developers know what's really going on under the hood except people who specialize in assembly, CMOS, etc.