He kind of overstates his thesis in the title in a click-baity kind of way. The TLDR is basically "don't spend a majority of your learning time on frameworks". But he makes a separate error as well, stating "Don’t rush to learn new technology – it has a high probability of dying"
Under that line of thinking, no one would ever bother learning new technologies until they're established, but no new technology would ever get that far because no one was learning it. In fact his advise only seems to apply to people working predominantly within the more conservative Enterprise sector. Otherwise, the fact is that if you want to innovate and be on the front lines of creating new and exciting things, you need to either be learning new technologies or creating them yourself.
Under that line of thinking, no one would ever bother learning new technologies until they're established, but no new technology would ever get that far because no one was learning it. In fact his advise only seems to apply to people working predominantly within the more conservative Enterprise sector. Otherwise, the fact is that if you want to innovate and be on the front lines of creating new and exciting things, you need to either be learning new technologies or creating them yourself.