I read your monitor selection guide and one thing that stood out to me was the distance you need to have from you monitor. Completely overlooked that one when I made my first upgrade to a larger monitor and it definitely lowered my use of that monitor. Sometimes i found myself using my second, older monitor more since the distance was more comfortable.
Which sizes were used there? I prefer 24” by a wide margin. Whatever resolution I have to accept at that size I will. I find myself moving my head around and moving my eyes around the screen too much with 27”+.