It’s important to understand that EXIF is much more than just the shutter speed, aperture, and ISO of your image. While you might use those the most when looking at EXIF data, EXIF encompasses much more. Here is a list of parameters that EXIF contains.
Camera model, manufacturer, and serial number
Lens model, manufacturer, and serial number
Date and time
Understanding EXIF is essential in becoming a better photographer. You can use it to your advantage, but it is also a risk regarding privacy.