Again, here's HN with a Silicon Valley bias. This is not an unavoidable trend and is not global. Japan's work market isn't exactly like this. Germany's Mittelstands are eating the world precisely by buckling this trend. Northern Italy (around Milan) has an artisan industry that thrives on skilled artisans working for small cottage industries, etc. If you want workers skilled in a very niche and crucial technology the…
It's explicitly an article about the microeconomic impact of neoliberalism, so discusses places where that holds particular sway such as, as you mention, USA and U.K.
You are correct that it is less appropriate to a place such as Germany where Ordoliberalismus is a more popular model. But the article doesn't pretend to discuss this.