When software I use adds usability features, it makes me proud to be user of that software. I am much more inclined to think of the developer as "good", and muc

When software I use adds usability features, it makes me proud to be user of that software. I am much more inclined to think of the developer as "good", and much more likely to recommend the software. So it's more than just 2.6%. There are other bonuses to be had.