On your average modern website (or, really, any website), such a design would result in pop-up fatigue very quickly. This is when you pelt the user with so many permission dialogs and "Are you sure?" prompts that they just learn to click "Yes" to get to the thing they actually want to do. Furthermore, I'm not entirely sure what "No" should even do in this context. Most subresources are non-negotiable - if you do not load them you do not get a working website. So even a slightly-savvy user will try denying things, realize that it breaks websites, and learn that they just have to either click "Yes" or close the tab out and not use that website.

The same concerns apply to NoScript and that browser extension the FSF has that bans non-Free JavaScript. If you point them at GDocs, you don't magically get a tracker-free, Free Software word processor. You just get a broken web page. The reason why users don't exercise this control is because they don't have it to begin with. It's not their webpage to modify.

On a more meta-level, you're arguing for technical controls & DRM where legal ones are needed. We don't want browsers where users can pick and choose where their data goes, but if they choose wrong and don't enable enough trackers they don't get the website they wanted. We want websites that don't have trackers on them to begin with.