“Abstract photography can be defined as capturing images in which the subject isn’t the most interesting element”?

I think what is meant by this quote is that abstract photography is largely based on the theme of abstraction rather than taking a photo of something in particular like a selfie or picture of a certain thing. I feel like abstract photography is taking photos of something undefined or uncertain that evokes feeling and thought to what it is and what it does and is a piece of art open to interpretation. Like the photo ‘Wrong’ the boundaries between what makes a good or bad photo is very ambiguous and therefore make it abstract