Arguments on the margin make sense, but DMA compliance has huge resource costs and will surely come with eye watering penalties. And yet if small barriers are indeed so insurmountable then the benefits will be limited. So: is it worth it?

I think cookie banners have not meaningfully changed users’ ability to exercise privacy preferences, but they have probably cost the economy many tens of billions of dollars to implement, enforce, and litigate. As far as I can tell, there isn’t much reflection on what that says about effective legislation.