>I often hear this sentiment that new languages and frameworks du jour pop up every week, and that past an age a fellow just wants to learn a single reliable st

>I often hear this sentiment that new languages and frameworks du jour pop up every week, and that past an age a fellow just wants to learn a single reliable stack and collect a weekly paycheck. TFA clearly and repeatedly states the author learns new tools and frequently employs them for client work. The point of the article is that boring/mature stacks can offer a better ROI for in-house products.