Those are noble goals, but have close to zero chance of happening, and they won't address the root of the problem.
> Search ads on shopping websites are just capitalism taken to the natural end.
The issue is not just with search ads or shopping websites, but advertising in general. It's the primary business model of the modern web, and the main revenue stream for most Big Tech corporations. Considering their symbiotic relationship with governments, neither side has much incentive to change the status quo. Some change is slowly happening, but I suspect it will become much worse until it gets better.
We're lucky that ads are still somewhat blockable. Wait until browsers become WebAssembly interpreters, so that this isn't possible anymore, or for XR to become mainstream, allowing adtech to do much more invasive tracking and advertisers to buy a chance to deliver ads straight to your eyeballs. Label me a pessimist, but I don't see how any of this will be unavoidable in the near future, other than by becoming a luddite.