No it's not, which is why people take $2,000 1440p monitors still.
The "if you can manage it" part is an awkward setup usually with terrible ergonomics (a monitor too far away is worse for posture because you subconsciously tilt forward), it takes a ton of space, it looks hideous
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Forgive my for my bluntness, but I am soooo tired of every conversation about improving monitors being sidetracked by people act like using a TV-sized TV as a computer monitor is better than strictly anything.
It's like saying using your hand saw as a flat head screw driver is strictly better because it had a larger handle... as long as you can line it up in the screw.