The European Union’s new Digital Markets Act (DMA) is a complex, many-legged beast, but at root, it is a regulation that aims to make it easier for the public to control the technology they use and rely on. One DMA rule forces the powerful “gatekeeper” tech companies to allow third-party app stores...
Those banners are the perfect example of malicious compliance! The data collecting companies did their best to barely comply but in the most annoying way. Just to point out, that it is the GDPRs/EUs fault your internet browsing experience got so much worse!
I highly recommend at least using the content blocker uBlock Origin!
More info at privacyguides.org (alt domain).
User guide explaining the blocking modes.