Also, in addition to what you mentioned, we have jpegs because photographers are still shooting jpegs with their cameras. The economics of the camera market ri

Also, in addition to what you mentioned, we have jpegs because photographers are still shooting jpegs with their cameras. The economics of the camera market right now will make adoption of new formats (and the additional/more expensive hardware in the camera to support it) slow and jpeg is a very reasonable format for photographers to shoot when they don't want/need to shoot raw.