Looking at the metadata it says it is a Gnome screenshot. What a pointless and incorrect non-sequitor.
exiftool -a -u -g1 ~/Downloads/screenshot.png
---- ExifTool ----
ExifTool Version Number : 13.55
---- System ----
File Name : screenshot.png
Directory : XXX
File Size : 1260 kB
File Modification Date/Time : 2026:08:11 16:24:37-04:00
File Access Date/Time : 2026:08:11 16:24:41-04:00
File Inode Change Date/Time : 2026:08:11 16:24:41-04:00
File Permissions : -rw-r--r--
---- File ----
File Type : PNG
File Type Extension : png
MIME Type : image/png
---- PNG ----
Image Width : 2351
Image Height : 1388
Bit Depth : 8
Color Type : RGB with Alpha
Compression : Deflate/Inflate
Filter : Adaptive
Interlace : Noninterlaced
Significant Bits : 8 8 8 8
Software : gnome-screenshot
Creation Time : Mon 10 Aug 2026 10:19:53 PM +03
---- Composite ----
Image Size : 2351x1388
Megapixels : 3.3
To be fair, it does really look like a photo of a monitor.