How does iOS decide whether to default to including location?

I coulda sworn, even in earlier versions of iOS 26, if you told it not to include location when sending a photo once then it would not include it by default the next time.

Also I thought that when you uploaded a photo from your camera roll to the web I thought it defaulted to no location. And that seems to have changed too. (Of course, you can still tap a button to withhold location EXIF.)