Which just makes it more frustrating.
It used to. It was intentionally removed. I say this as a customer who read the update notes, not as an employee of Google.
I'll let you guess why they did. I have my opinion why and it is not flattering to the company, to say the least.
Hey, who remembers Street View cars collecting SSIDs...
Driving around in Northern Canada, as I am often wont to do with my partner; you’re without cell service at least half the time; and even when you do have cell service - data is very uncommon.
My girlfriend and I ran into this issue twice with Google Maps, tested if Apple Maps exhibited the same behaviour, and since it hadn’t - neither of us have actually used Google Maps since.
This is - of course - iOS-specific advice.