If it is actually as much better as it sounds, even apple users will find a way to set their search engine to what works once word of mouth gets around. (Until Apple turns that option off and waits for for the EU to pass another gatekeeper law anyway.)
If it is actually as much better as it sounds, one wonders why Google or Duckduckgo doesn't do this already. For Google, killing the advertisement incentive is probably counterproductive in the long run, but why doesn't DDG?
But it does miss the point that you need a huge amount of resources. Plus 20 billion or so to get Apple to use your search.