For the four groups enumerated in the article, this still is not important. It may affect them in ways they are unaware of, but you will not be able to change their minds using technical arguments at this point if they have not already been convinced by the wealth of information and support that is readily available.
If I’m going to have a lot of icons on the desktop, I’d want one of the visually uncomplicated ones (top right, bottom left). Otherwise, if it’s just for eye-candy and what I have to see everytime my windows are minimized, I’d either go for mid-left or bottom-right. I fall into the latter category, but y’all in the former may consider that when casting your vote