I haven't read anyone noticing that developers lose countless hours fighting with badly crafted PSDs like the one shown in the article, just to extract proper a

I haven't read anyone noticing that developers lose countless hours fighting with badly crafted PSDs like the one shown in the article, just to extract proper assets that keep their code tight. Think pixel fitting, but also dimensions consistency, color consistency, etc. Off-by one/three/eleven pixels are a plague. Save money on the design: you may well increase your development costs.