Not only is it about lack of features on the open source side, it's about workflow. Sure Photoshop and Gimp both edit pictures, but the workflow is so differen

Not only is it about lack of features on the open source side, it's about workflow. Sure Photoshop and Gimp both edit pictures, but the workflow is so different that professional users of Photoshop aren't going to switch just because it's FOSS.