Nothing inherently wrong with integer scaling, as long as you are aware you end up seeing more of the colour of each "pixel" as it is 4- or 6-times as big, with

Nothing inherently wrong with integer scaling, as long as you are aware you end up seeing more of the colour of each "pixel" as it is 4- or 6-times as big, with less/none of the space in-between, so there is a subtle change to the perception of the image. I'm fine with that I touch on this in the article though I probably could have gone into more depth. I wrote this a couple years ago.