Agents have an affirmative obligation to market their listings to both other agents and to the general public. Pictures are one way to do that. Color pictures are even better! Camera Phones aren’t famous for taking good pictures. Taking pictures at a high resolution and large size helps a lot when you shrink them down. If you upload that’s tiny in the first place, and the computer tries it’s best to fit it into a predetermined space, it will look something like this.
All three from the same listing.