If you’d read the article, you’d have realized it’s specifically because of a bad implementation by Apple of their URI scheme for handling links.
They’re literally suggesting users use Brave over Safari because it isn’t susceptible to cross-site scripting in the same way.
They urge iOS users in Europe to use Brave rather than Safari because Brave’s implementation checks the origin of the website against the URL to prevent cross-site tracking.
This is anything but Apple propaganda. It’s literally calling Apple out on a huge failure of their own design.