1. Single‑screen focus & distraction avoidance
"Focus is essential for productivity. Do whatever it takes to get there." – bluefirebrand
"I feel the key message here is “single vs multiple windows”, not small vs big monitor." – NikolaNovak
2. Ergonomic & practical concerns about monitor size
"That is very big. You would end up getting neck pain as you have to physically move your head to look at extremities of the screen." – kanbankaren
"I’ve had a 38’’ ultrawide for about a decade." – makeitrain
3. Task‑dependent suitability of large monitors
"Even without task parallelization, multiple windows are important for some roles." – NikolaNovak
"It depends on the type of work you do; some jobs need many windows, others thrive on a single maximized window." – NikolaNovak