I didn't get that from the article. It's more like: most of the new tech won't stick and if you aren't smart enough to discern what will stick and what not, the

I didn't get that from the article. It's more like: most of the new tech won't stick and if you aren't smart enough to discern what will stick and what not, then focus on learning tech that has already matured and been adopted. Remember, the advice is meant for programmers who aren't that good.