Apple Maps got really good at some point! I once pick it by accident for navigation, and never went back to Google Maps.
I've used it almost exclusively since around 2019, but that has been in the Bay Area and LA area where the data has presumably been very good relative to other areas.
I think it may depend on where you are.
Around here (Long Island, NY), it's far better than Google Maps, and I use it all the time.
I've heard that it falls down, in rural areas, though.
I uninstalled Google Maps when it started draining my iPhone battery at an absurd rate. Apple Maps it is.
It’s unusable in Sydney, Australia.
It might be fine for pure navigation to addresses but business addresses and other metadata are often missing or out of date because people only bother to update Google Maps. Also that’s where all the reviews are.
I don’t want to use two different apps for navigation vs finding businesses.