Only if your definition of “relatively terrible” means “better than the majority of desktop and laptop displays sold in the last 5 years”. I never notice this during normal usage and in an office with a range of generally mid-range enterprise PCs the MBA screen is better than all but a handful of displays which some digital imaging specialists use. All of the monitors which look better cost at least 50% of what an MBA costs.

Yes, it's not the best display on the market but calling it terrible is just hyperbole.