As newer people get on board and are not so familiar with how the sliders evolved over the last few years, this comes up a lot.
Here is a video explaining it, and a visual guide below.
People have described the equidistant layout as feeling more "secure" when the plates are in the position shown.
I personally don't differentiate between the two, as I'm more of a just-do-a-basic-slide-and-click-moves kind of guy, so they feel similar in how I play with sliders.
Magnus

