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I know that Gasset's book is important, but the real point was actually expressed by Socrates over 2,000 years ago:

Socrates introduces the foundational principle of human society: the principle of specialization. The principle of specialization states that each person must perform the role for which he is naturally best suited and that he must not meddle in any other business. The carpenter must only build things, the farmer must only farm. Behind this principle is the notion that human beings have natural inclinations that should be fulfilled. Specialization demands not only the division of labor, but the most appropriate such division. Only in this way, Socrates is convinced, can everything be done at the highest level possible.

https://www.sparknotes.com/philosophy/republic/section2/page/3/

As Robert Heinlein wrote, "Specialization Is for insects." A human being ought to be able to do a multitude of things. At the very least, learn to use a hammer and a screwdriver. after that, add a wrench to your repertoire, then a drill. Then maybe a soldering iron. Don't be helpless when a fuse blows, or a tire goes flat, or you need to replace a light switch.