I'm a big fan of ultra high resolution screens but even I think this is ridiculous in a 5.5" screen. The eye just can't resolve anything much smaller than maybe 0.05mm, even if someone has great close-up vision. That's 500 pixels per inch. The pixels on this screen would be 2,250 to the inch. This makes the resolution of an 11K screen essentially wasted if the screen is less than maybe 25" (and BTW I would love an 11K, 25 inch monitor).
All that said, at least if this technology eventually works its way to regular and large screen monitors it will make sense. Right now I find 4K is fine on a 24" inch screen but I'd like something higher with larger screen.