Author here. What you say is true (I certainly wouldn’t dispute Raymond Hill about his own excellent extension!); but the problem is that “normies” outnumber knowledgeable “techies” by such a gigantic amount in those decisive analytics, and “normies” neither know nor care about such considerations. They use default browsers — Chrome or Edge in their work environments and Safari or Chrome* on their phones — each with its default settings and extensions (if any), and they remain blissfully unaware of alternatives or alternative settings.
As I said in the article:
> I surely hope I’m wrong about this, but I fear I’m not.
* Or, in the worst case, Samsung Internet.