I also haven’t figured out how to get links I click on in my phone to open in Google Maps, so I accidentally open Apple Maps all the time.
This isn't a manufacturer problem, it's an Apple problem. Lack of choice is baked into their design, which is uncontroversial among both proponents and detractors; the former would (reasonably) say that there are tradeoffs that are the other side of the coin to constraining the user so heavily.
Also, they had practical monopoly. Apple doesn't