> the effort and cost to download an ad-blocker that automatically removes the prompt to accept/deny entirely is practically zero and the amount of clicks you'd save yourself would quickly exceed the clicks it took to install the blocker.

For less-often used, e.g., non-English language sites, these often leave a site in an unusable state, e.g., non-scrollable. I often have to go into the developer tools to fix a site manually, sometimes hunting for the element to fix if it's not body or html.