Announced WWDC 2018, arrived to the neighbor to the north 2.5 years later in December 2020, that's still quite a gap. But to be clear I was referring to the brand new detailed maps announced this year.
> This will only be available in the San Francisco Bay Area, Los Angeles, New York, and London by the end of the year.
So 4 cities 6 months after announcements.
Justin O'Beirne has followed Google/Apple maps in detail for years https://www.justinobeirne.com/
Forbes is an American business magazine and the author covers cover security and surveillance. So I wouldn't think his advice is meant for everyone.