This article should be suffixed with “(2012)”.

In the past ten years, Macs (which this writer is mostly concerned with) have all adopted ultra high density “retina” displays, which… well I’m not going to say they render the arguments moot, but the changes are so drastic that they force every statement to be reevaluated.

Also I could be mistaken but I believe as of about four years ago subpixel was dropped from Macs altogether.