Apple doesn't need drones. What they need is to pay for up-to-date satellite imagery like Google does. This would be a pretty bad situation if Apple were a tiny start-up with limited capital. But it's sad and embarrassing that the world's largest company by market cap is too stingy to pay for current satellite images.
In downtown Miami, for example, Apple Maps still shows numerous city blocks as parking lots where we now have high rise condos, hotels, and retail developments (one of which will soon host Apple's largest store in Florida.) Some of these satellite images are over five years old.
Example:
Here are Google's and Apple's map views of the Met3 building completed two years ago: