It’s incredibly confusing when apps do this. Often, the symptom is that GPS looks broken.

GrapheneOS’s location services have a similar issue, but 100x worse. There, apps can definitely have lat/long, but not full Google location service, and all sorts of proprietary software ends up with no/wrong location dots on their maps.

Open source apps, and Google maps competitors work well, so I know it isn’t a hardware or radio issue.