While she may or may NOT be metering, It isn't absurd. I use 3 different meters in my smart phone plus have 2 different hand held meters that I often use. One is an incident light meter and the other hand held Sekonic ambient and flash light meter that I constantly use. My camera's built in meters are fine for general shooting but you sometimes want to expose for specific spots and either over expose or under expose others. Generally, the built-in meters are averaging, center weighted or giving a general guess as to the proper exposure. A perfect example is taking a photo of the moon on a dark night with street lights in and around the general area. The camera tends to over expose the brightest spot (the moon) while trying to expose for the dark sky around it. So you get a photo of a dark sky with a very bright circle and no or few craters and no definition. My spot light meter allows me to meter the moon only and drop everything else back. I also use this method when out in the Gulf of Mexico on a bright sunny day and trying to get a shot of another boat, oil platform or whatever without it averaging everything else in. ESPECIALLY if I know that I am going to have to crop the image anyway. Now, your remark about her using the phone to post images directly to social media may be right on the money but the other options are NOT absurd, especially given the quality of her camera. Also, she might have a Wi-Fi card or some connection from her high end camera to her phone (I do) which would allow her to shoot with the camera and directly upload those images to the media. Again, I'm not saying you are wrong just that your calling the other option absurd is absolutely wrong.