except that of course your iphone will notify you if it sees an airtag that's not yours frequently.

If you have an iphone. But outside the US, Android is far more popular.

But this also begs the question, if I steal something with an AirTag on it, my iPhone would tell me that the item has an AirTag on it.

If you don’t have an iPhone, the tag will just start beeping by itself whenever it’s moved. This is covered in the article.

If you have an iPhone yes. Will it let the Android users know?