Technically if you’re using Apple Maps you’re mostly using OpenStreetMap (UK) and TomTom (Dutch) so you’re not committing the gravest kind of crimes against European motherland.
Apple pays TomTom for their map data. Using Apple Maps on Apple devices is a natural choice for those who are looking for a polished alternative that doesn’t sacrifice too much compared to Google Maps.
Thanks for explaining! I'm an apple user so this can be a valid alternative. I wonder what other people think about it. I guess it is still better try to support other platform directly