Comments like yours are why people say HN's comments are degrading in quality. You can't even grasp the difference in viewing distance of a television versus a computer monitor, and the obvious impact that would have on how noticeable a particular pixel density is, yet you wrote a condescending comment. Unbelievable.

Incidentally, given that displays seem to be continually trending larger, I expect that we'll eventually have an entire wall in our homes that's a display. 4k is just another step toward that.