It seems like you're trying to apply an analogy, but I can't make out what it is. What, specifically, will happen if the EU mandates device support that is like

It seems like you're trying to apply an analogy, but I can't make out what it is. What, specifically, will happen if the EU mandates device support that is like cookie pop up banners? (As an aside, GDPR did a lot of privacy-related things that have nothing to do with cookies.)